What are significant figures

Q: Give one example (in detail) as to how both positive and negative numbers are being used in science.

A: One example of how both positive and negative numbers are used in science is in the study of…

Q: James was assigned by his teacher to measure the distance from their classroom to the school…

A: Given: Different measurements of distance made by James the from their classroom to the school…

Q: Significant figures are determined by the number of digits in a measurement that are reliably known.…

A: Significant figures

Q: Vesna Vulovic survived the longest fall on record without a parachute when her plane exploded and…

A: Given Distance fell = 4 miles, 304 yards. We have to calculate the this distance in meters

Q: Write each of the following numbers to 3 significant figures in non-exponential notation. (Do not…

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Q: V (m/s) 3 2 10

A: The slope of the velocity time graph gives the acceleration.

Q: How long would it take a car traveling 4.2 m/s to go a distance of 28.4 meters?  Round your answer…

A: Given data-         speed of car ( u ) = 4.2 m/s        distance travelled ( d ) = 28.4 m…

Q: A person runs twice around a 200 m track field oval. What is the final measurement?

A: The data given is, 1. Length of the track, L=200 m 2. Shape of the track =oval 3. Number of laps…

Q: Calculate percent amount to three-figure accuracy. (Use one decimal place for the percent value.)…

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Q: What is the height in meters of a 3 foot 3.0 inch tall person ?

A: Given:-  The height of the person is h = 3 foot 3.0 inch  Find:-  The height in the meter?

Q: The speed of light is about 3.00 × 108 m/s. Convert this figure to miles per hour. (No Response)…

A: Given data:  Speed of light (c) = 3.00×108 m/s Required: Speed of light in miles per hour

Q: object measured by a __________ in grams and does not change…it stays the _________

A: The gram and kilogram are two units used to measure mass in the metric system.The basic SI unit of…

Q: In the figure shown below the ratio "sin 03/sin 0," 03 02

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Q: hat is the actual reading of the device in centimeters?

A: Given:- The image of the vernier caliper Find:- Find the reading shown by the vernier caliper

Q: By what factor would a numerical quantity change if measured in millimeters rather than kilometers?

A: According to question we need to find--- By what factor would a numerical quantity change if…

Q: What is fractional error or percent error?

A: Fractional error is the ratio of the value of error to the value of the quantity.

Q: Define the following term: SI units

A: The SI unit is also called an international system of units and they are used universally as a…

Q: what is the correct answer in km/s

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Q: * ?What is the final reading of micrometer shown in figure below 10 Made in D0

A: The above instrument is a screw gauge.  Pitch of the screw gauge =Distance moved by a screwNo.of…

Q: What is the correct way of writing si unit

A: It should be written in

Q: The number of seconds in 1 week when expressed in scientific notation rounded to the nearest tenths

A: We know that, 1 week = 7 days And 1 day = 86400 seconds

Q: The speed of light is about 3.00 × 10$ m/s. Convert this figure to miles per hour. (follow rules of…

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Q: ½ (m/s) 4 2 t (s) 4 1 3

A: 17) Between t=0 s to 2 s, the position is increasing. Because in this period the particle has…

Q: What do you think is the effect of significant numbers in the errors of measurement?

A: In this question we have to answer what is the effect of significant numbers in the errors of…

Q: How to measure the seconds?

A: Historically, definition of second was based on the division of the Earth’s rotation cycle. Second…

Q: Which of these is the fundamental unit of mass, m?     pound, lb     slug, sl     stone, st…

A: Solution

Q: what formula is this "E= 33000×20×50 = 33000000 ft- lb. (1)"

A: This statement is nothing but the unit conversion of energy.

Q: What is the order of magnitude difference between something working in nanoseconds and something…

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Q: Need more figures... what is the ful

A: Acceleration time graph is given below:

Q: Can length be measured in inches with a micrometer?

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Q: Which is the most convenient point to calculate the equivalent values?

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Q: How many significant figures has the number 1086.035.

A: Question: How many significant figures has the number 1086.035

Q: N N = ? 3 -1.4 x 10 cm mm z||

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Q: what is the reading in the micrometer ?

A: Least count of micrometer : Least count of micrometer=smallest reading of main scaleTotal number of…

Q: How far does a car going 17m/s travel in 15.7 min. Give answer in meters.  Calculate answer to one…

A: Let s denote the total distance travelled by the car. Let v denote its constant speed, and let t…

Q: How many significant figures are in the following number: 2.5x10(power of 2)

A: Given data:  A number 2.5×102 Required: The number of significant figures

Q: D = m/V for V (density = mass divided by volume)

A: Density is defined as the mass per unit volume. Its unit is g/mL or g/cm3.