rovide results to the following using the correct significant figures.
$1.23 \times 10^{2} + 34.5) \div (2.3 \times 10^{- 3}) =$

Answer

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Answer

$6.39 \times 10^{4}$

Steps

Step 1 ：Calculate the numerator: $1.23 \times 10^{2} + 34.5 = 1.47 \times 10^{2}$

Step 2 ：Divide the numerator by the denominator: $\frac{1.47 \times 10^{2}}{2.3 \times 10^{- 3}} = 6.39 \times 10^{4}$

Step 3 ： $6.39 \times 10^{4}$