Question

question
evaluate. express your answer in scientific notation.
$2.7 \times 10^{-2} + 6.7 \times 10^{-1}$
answer attempt 1 out of 2
answer: $\square \times 10^{\square}$

Explanation:

Step1: Rewrite terms to same exponent

Convert $2.7 \times 10^{-2}$ to $0.27 \times 10^{-1}$

Step2: Add the coefficients

$0.27 + 6.7 = 6.97$

Step3: Combine with common exponent

$6.97 \times 10^{-1}$

Answer:

$6.97 \times 10^{-1}$