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Perform each of the following operations, and give each answer with the correct number of significant figures:
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Basic Chemistry
- A student sets up the following equation to convert a measurement. (The ? stands for a number the student is going to calculate.) Fill in the missing part of this equation. 0.070 2 C N • m 2 ? N 2 mC .m 2 x10 X μ 00 Śarrow_forwardWe have got a number: 1,001.46 What is the 3 significant figures?arrow_forwardTo how many significant figures should each answer be rounded? equation A: (6.626× 10−34 J⋅s)(2.9979× 108 m/s)4.650×10−7 m=4.271846322581×10−19 J(unrounded) After rounding, the answer to equation A should have 1 significant figure. 2 significant figures. 3 significant figures. 5 significant figures. 4 significant figures. equation B: (6.022× 1023 atoms/mol)(0.787 g)20.18 g/mol=2.349×1022 atoms(unrounded) After rounding, the answer to equation B should have 2 significant figures. 3 significant figures. 5 significant figures. 4 significant figures. 1 significant figure.arrow_forward
- A student sets up the following equation to convert a measurement. (The? stands for a number the student is going to calculate.) Fill in the missing part of this equation. N N 0.080 x10 2 2 C 2 mC 2 m m Xarrow_forwardCarry out each calculation and give the answer using the proper number of significant figures. a. 0.206/35,136 = b. 2,200/75.9arrow_forwardPerform the following set of operations and choose the alternative that expresses the result to the proper number of significant figures. (1.5 x 10-4* 61.3) + 2.01 O 2.02 O 2.0192 O 2.019 O 2.0arrow_forward
- Do the following calculation and report your answer with the correct number of significant figures. Write your rounded answer in the blank below. (23.780 x 0.00054)arrow_forwardCalculate the product below, and express the result with the correct number of significant figures.4.766 × 7.40 =arrow_forwardUsing the rules of significant figures, calculate the following: 6.167 + 70.0 =arrow_forward
- When you perform the following operations, how many significant figures should your answer have? (2.000 cm³ x 15.6 g /cm) + 1.1111 g = hint: First, do the operation in parentheses. How many places past the decimal does the answer have? What are the units of operation in parentheses? Hint: units are grams O 1 O 2 3 04 O 5 07 8.arrow_forwardWhat is the correct answer (reported to the proper number of significant figures) to the operation below? 7.3 × 4.68 = ?arrow_forwardComplete the following table. Decimal notation Scientific notation 2.04 x 10`5 6.73 x 10`2 5.00 x 10`3arrow_forward
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