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 result have?

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

Step 1: Identify the number of significant figures in each number.
Step 2: Count the significant figures in 2.5. It has 2 significant figures.
Step 3: Count the significant figures in 3.42. It has 3 significant figures.
Step 4: Determine which number has the least significant figures. Here, 2.5 has the least with 2 significant figures.
Step 5: When multiplying numbers, the result should have the same number of significant figures as the factor with the least significant figures.
Step 6: Therefore, the result of multiplying 2.5 by 3.42 should have 2 significant figures.

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