Question

calculate.
\\((5\times 10^9)-(2\times 10^9)\\)
write your answer in scientific notation.

Explanation:

Step1: Factor out common term

$(5 \times 10^9) - (2 \times 10^9) = (5-2) \times 10^9$

Step2: Subtract coefficients

$3 \times 10^9$

Answer:

$3 \times 10^9$