Question

calculate.\\((4\times 10^{8})(1.2\times 10^{5})\\)\
write your answer in scientific notation.

Explanation:

Step1: Multiply the coefficients

$4 \times 1.2 = 4.8$

Step2: Add the exponents of 10

$10^8 \times 10^5 = 10^{8+5} = 10^{13}$

Step3: Combine the results

Multiply the coefficient product by the power of 10.

Answer:

$4.8 \times 10^{13}$