Question

question
evaluate. express your answer in scientific notation.
$0.089 + 2.4 \times 10^{-4}$
answer attempt 1 out of 2
answer: $\square \times 10^{\square}$

Explanation:

Step1: Convert 0.089 to scientific notation

$0.089 = 8.9 \times 10^{-2} = 890 \times 10^{-4}$

Step2: Rewrite the original expression

$890 \times 10^{-4} + 2.4 \times 10^{-4}$

Step3: Add the coefficients

$(890 + 2.4) \times 10^{-4} = 892.4 \times 10^{-4}$

Step4: Convert to proper scientific notation

$892.4 \times 10^{-4} = 8.924 \times 10^{-2}$

Answer:

$8.924 \times 10^{-2}$