When rounding the number 0.004567 to three significant figures, what is the resu

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Question: When rounding the number 0.004567 to three significant figures, what is the result?

Options:

Correct Answer: 0.00457

Solution:

Rounding to three significant figures gives 0.00457.

When rounding the number 0.004567 to three significant figures, what is the result?

When rounding the number 0.004567 to three significant figures, what is the result?

Step 1: Identify the first three significant figures in the number 0.004567. The significant figures start from the first non-zero digit.
Step 2: The first non-zero digit is '4', followed by '5' and '6'. So, the first three significant figures are 4, 5, and 6.
Step 3: Look at the digit after the third significant figure (which is '7') to determine if we need to round up or keep it the same.
Step 4: Since '7' is greater than 5, we round up the last significant figure (6) by 1.
Step 5: This changes the three significant figures from 4, 5, and 6 to 4, 5, and 7.
Step 6: Write the rounded number in its original decimal form, which is 0.00457.

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