Answer: Shown below
Step-by-step explanation:
10^n will always have n zeros leading after the 1. Cool trick.
(69000000)+(2120000)
71120000
our answer is 71120000, or [tex]7.112 * 10^{7}[/tex]
Answer:
7.112×10^7
[tex]6.9 \times 10 {}^{7} + 2.12 \times {10}^{6} \\ 69 \times {10}^{6} + 2.12 \times {10}^{6} \\ 71.12 \times {10}^{6} \\ 7.112 \times {10}^{7} [/tex]
