Question

$(9\times {10}^{-2})+(9\times {10}^3)$ in usual form is

• A. $9000.09$
• B. $900.9$
• C. $9000.9$
• D. $900.09$

Answer 1

The correct option is A

$9000.09$

The usual forms of the expressions $9\times {10}^{-2}$ and $9\times {10}^3$ are given by $0.09$ and $9000$.
Thus, $9000+0.09=9000.09$.