Question

(2.0 * 10^7) (4.0 * 10^4)Scientific Notation

Answer 1

First, multiply 2.0 by 4.0 and 10^7 by 10^4

$(2.0\times4.0)\cdot(10^7\times10^4)$

Then, We apply the properties of exponents

$8.0\times(10^{7+4})$

And solve

$8.0\times10^{11}$

Answer:

$8.0\times10^{11}$