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Alexandra [31]
2 years ago
9

Which of the following represents 0.007462 rounded to two significant figures?

Chemistry
1 answer:
Ostrovityanka [42]2 years ago
7 0

Answer:

0.0075 or 7.5x10⁻³

Explanation:

Hello!

In this case, when rounding to two significant figures a number that is less than 1, we take into account that the left-handed zeros, prior to the first nonzero digit are not significant, for 0.007462, two significant figures include the 7 and the 4; however, that 4 is rounded up to 5 since there is a 6 after it, and therefore, the correct representation would be either of the following ones:

0.0075

7.5x10⁻³

Best regards!

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