100 = 10^2
so 10^9 * 10^2 = 10^11 kilometers in 100 years
There are many answers for this and this is one of them:
Y = 4(3 + 1)
Y = 16
9 3/4 is a mixed number, and to find a percent it has to be a percent of what. 9 3/4 as a percent alone is 975% if that's what they want.
Answer:
They both use the same units of measure.
Step-by-step explanation:
-2n(5 + n - 8 - 3n)
-10n - 2n² + 16n + 6n²
4n² + 6n