If you multiply 2.5 (2 significant figures) by 3.42 (3 significant figures), how

If you multiply 2.5 (2 significant figures) by 3.42 (3 significant figures), how many significant figures should the answer have?

If you multiply 2.5 (2 significant figures) by 3.42 (3 significant figures), how many significant figures should the answer have?

Step 1: Identify the number of significant figures in each number.
Step 2: 2.5 has 2 significant figures.
Step 3: 3.42 has 3 significant figures.
Step 4: Determine which number has the least significant figures.
Step 5: Since 2.5 has 2 significant figures, it is the least.
Step 6: When multiplying, the answer should have the same number of significant figures as the factor with the least significant figures.
Step 7: Therefore, the final answer should have 2 significant figures.

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