Question

how many numbers of significant figures are 0.007m2

Answer 1

Answer:

If the number is less than one, then all zeros on the right of the decimal point (but left to the first non-zero) are insignificant. This means that here, two zeros after the decimal are not significant. Hence, only 7 is a significant figure in this quantity.

Explanation:

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Answer 2

The number of significant figures in 0.007m² is one.

• While calculating the significant figures, if the number of values is less than one, then all zeros on the right side of the decimal point become insignificant.
• The zeroes should be on the right side of the decimal point but left to the first non-zero point.
• Thus, in the value 0.007 there are two zeros after the decimal and are not significant. Only 7 is a significant figure. Thus there is only one significant value.