Question

(8.41×10⁷)+(7.9×10⁷)

Explanation:

Step1: Factor out $10^{7}$

$(8.41 + 7.9)\times10^{7}$

Step2: Calculate the sum inside the parentheses

$8.41+7.9 = 16.31$
So we have $16.31\times10^{7}$

Step3: Convert to scientific - notation

$1.631\times10^{8}$

Answer:

$1.631\times10^{8}$