Solve following using Significant figure rules: 497.2505 + 85.500 + 9.75 – 4.4

a. 2πR2+2πRh2πR2+2πRh b. 2πR2+2πh2πR2+2πh c. πR2hπR2h d. πD2+πDhπD2+πDh e. 2πR+2πRh

10 mL 9 24 mL 8 mL 7 Measuring Тool 25 mL 7 mL Volume, mass and/or length measurement (with units) Measuring Тol 8 cm 9 cm Volume, mass and/or length measurement (with units) Page 13 of 14

3. Perform the following calculations and report your answer to the correct number of significant figures. c. 1.0042 +0.00621 d. (9.187 x 0.182) 3.1

a. Multiply (1.359 x 109 m) by (2.4 x 10-¹0 m). Express your answer in scientific notation. b. Divide 1.24 x 108 m by 0.00020 sec. Express your answer in scientific notation and by using a prefix.

1. Some measurements require measuring devices that are flexible, others do not. Use your tape measure or meter sticks to measure your: (a) Height.. (b) Arm Span..... (c) Circumference of little finger.... 175 cm 166 cm = 1.8 cm %3D What is the smallest division on the meter stick? To how many decimal places (in cm) can you accurately read the meter stick? 2. Some measurements require a different type of measuring device. Measure the length and width of the table top in meters. Length = 1.54 Width 0.93 m %3D m Calculate: Area = m2. (Show area calculation. Include the formula, units used in your calculation)

1.3 The Role of Units in Problem Solving A particular convenience store offers a drink called the "MegaGulp". If the cup holds 107 fl oz. of liquid and we treat the "Mega" in the name as a metric prefix, how many mL are in a "Gulp"? O 0.000107 O 0.000000362 O 316000000 O 0.00317 Save for Later Submit Answer

please help ans explain how to so the rest of the problems if you only do 1 :) 2. Record the following volumes in mL. Make sure to include the unit and correct number of significant digits. A. mL 10 B. C. -30 -20 D. Ċ mL -50 - mL E. 10 9 F. mL 50 40

1. The floor of a rectangular building has an area of 120 square meter. The length of the floor / is 4m bigger than its width, w. Solve for I. Hint: Start with the equation of the area in terms of I. What kind of equation do you get? /= 48.11 X feet ! No, that's not the correct answer.

Q1) A) Find the answers to the following problems using the rule of Significant Figures a) (10.4168) m – (6.0) m b) (1.31) cm x (2.3) cm c) (5.7621) m / (6.201) m d) (2.5000) m + (32.85) m      B) Represent each answer above in the scientific notation