Question

80 POINTS

Answer 1

Answer:

$\large\boxed{5.95\times10^{12}}$

Step-by-step explanation:

$\left(1.7\times10^{-13}\right)\times\left(3.5\times10^{25}\right)\\\\=(1.7\times3.5)\times\left(10^{-13}\times10^{25}\right)\qquad\text{use}\ a^n\times a^m=a^{n+m}\\\\=5.95\times10^{-13+25}\\\\=5.95\times10^{12}$