Question

multiply. write your answer in scientific notation.
$(3 \times 10^{9})(3 \times 10^{-8})$

Explanation:

Step1: Multiply the coefficients

$3 \times 3 = 9$

Step2: Add the exponents of 10

$10^{9} \times 10^{-8} = 10^{9 + (-8)} = 10^{1}$

Step3: Combine the results

$9 \times 10^{1}$

Answer:

$9 \times 10^{1}$