Question

question
evaluate. express your answer in scientific notation.
$0.0034 + 6.9 \times 10^{-3}$
answer attempt 1 out of 2
answer: $\square \times 10^{\square}$

Explanation:

Step1: Convert to same exponent

$0.0034 = 3.4 \times 10^{-3}$

Step2: Add the coefficients

$3.4 \times 10^{-3} + 6.9 \times 10^{-3} = (3.4 + 6.9) \times 10^{-3} = 10.3 \times 10^{-3}$

Step3: Adjust to scientific notation

$10.3 \times 10^{-3} = 1.03 \times 10^{-2}$

Answer:

$1.03 \times 10^{-2}$