Answer:
<h2>It Is True </h2>
It is true because scientific notation is a way of writing very large or very small numbers. A number is written in scientific notation when a number between 1 and 10 is multiplied by a power of 10. For example, 650,000,000 can be written in scientific notation as 6.5 ✕ 10^8.
Ok so what we have to do is 4+7+9=c
4+7=11
11+9=20
c=20
your answer is 20
I cant see it or else i would help sorry..
A miler is longer than a kilometer.