Question

evaluate. express your answer in scientific notation.
$9.13 \times 10^{-4} + 7.33 \times 10^{-3}$
answer attempt 1 out of 2
answer: $\square \times 10^{\square}$
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Explanation:

Step1: Rewrite terms to match exponents

Rewrite $9.13 \times 10^{-4}$ as $0.913 \times 10^{-3}$

Step2: Add the coefficients

$0.913 + 7.33 = 8.243$

Step3: Combine with shared exponent

$8.243 \times 10^{-3}$

Answer:

$8.243 \times 10^{-3}$