Multiple Choice
How many significant figures are in the measurement 0.004560?
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1. Intro to General Chemistry
Significant Figures
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What is the answer to the calculation 12.45 × 0.036 with the correct number of significant figures?
A
0.448
B
0.4482
C
0.45
D
0.4
Verified step by step guidance1
Identify the number of significant figures in each number involved in the multiplication. For 12.45, count the digits that are significant, and do the same for 0.036.
Recall the rule for multiplication and division: the result should have the same number of significant figures as the number with the fewest significant figures in the calculation.
Perform the multiplication of 12.45 and 0.036 without rounding to get the raw result.
Round the raw result to the correct number of significant figures determined in step 2.
Compare the rounded result to the given answer choices to select the one that matches the correct number of significant figures.
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