100 = 10^2
so 10^9 * 10^2 = 10^11 kilometers in 100 years
Answer:
10) 51°
11) 152
Step-by-step explanation:
10) 42 + 9 = 51
11) 45(3.5) + 22(-.25) = 157.5 - 5.5 = 152
249.6
b)
a)
hope this helps i havent done this in a while
