Question

What is the sum of 3.6 × 10^3 and 6.1 × 10^3?

9.7 x 10^3

9.7 x 10^6

97 x 10^3

97 x 10^6

Answer 1

$3.6 \times {10}^{3} + 6.1\times {10}^{3} \\ \\ \text{Take}\ {10}^{3}\ \text{common}\\ \\ = (3.6 + 6.1) \times {10}^{3} \\ \\ = 9.7 \times {10}^{3}$

$\boxed{\red{ \textbf{Answer: }9.7 \times {10}^{3} }}$