Question

calculate.
$(3 \times 10^7) + (2 \times 10^7)$
write your answer in scientific notation.

Explanation:

Step1: Factor out common term

$(3 \times 10^7) + (2 \times 10^7) = (3+2) \times 10^7$

Step2: Add the coefficients

$3+2=5$

Step3: Combine into scientific notation

$5 \times 10^7$

Answer:

$5 \times 10^7$