Question

In scientific notation, 3.0 x 10-5 + 0.0000022 =

Answer 1

$The\ scientific\ notation:a\cdot10^n\ where\ 1\leq a \ \textless \ 10\ and\ n\in\mathbb{Z}.\\\\3\cdot10^{-5}+0.0000022=0.00003+0.0000022=0.0000322=3.22\cdot10^{-5}$