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torisob [31]
4 years ago
7

Which answer, to the correct number of significant figures, is closest to the true value of the expression: (9.1 x 104 )(1.1 x 1

0-5 )(log 10-13)(1000)g
Mathematics
1 answer:
DIA [1.3K]4 years ago
3 0

Answer : The correct answer is, -13000 g

Explanation :

Significant figures : The figures in a number which express the value -the magnitude of a quantity to a specific degree of accuracy is known as significant digits.

The rule apply for the multiplication and division is :

The least number of significant figures in any number of the problem determines the number of significant figures in the answer.

The given expression is:

(9.1\times 10^4)(1.1\times 10^{-5})(\log 10^{-13})(1000)g

As we know that,

\log 10^{-13}=-13

\Rightarrow (9.1\times 10^4)(1.1\times 10^{-5})(-13)(1000)g

\Rightarrow -13013g

True value means, the rounding off the number. So,

\Rightarrow -13000g

Therefore, the correct answer is, -13000 g

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