Question

calculate.$(2.6 \times 10^{4})+(4.3 \times 10^{4})$write your answer in scientific notation.

Explanation:

Step1: Factor out common term

$10^4 \times (2.6 + 4.3)$

Step2: Add the decimals

$10^4 \times 6.9$

Step3: Rearrange to scientific notation

$6.9 \times 10^4$

Answer:

$6.9 \times 10^4$