Step-by-step explanation:
question is solved above in the picture
Answer:
Radius: 22 Circumference: 138.23
Step-by-step explanation:
The radius is half of the diameter so 44/2 is 22.
The circumference can be found by 2*pi*r or pi*d.
or 
Answer:
a) 20
Step-by-step explanation:
2 hours at 50 km/h means she went 100 km
so 100/5= 20km/hr
When something is raised to the 10th power they're basically indicating that they want the number to be in the ten billionth form. Therefore when performing this operation it is important to keep in mind that you can relatively just added 10 zeros to the end of the number that you are trying to calculate ,therefore, 60 ^10 would most likely be 600,000,000,000
However, when you calculate this on the calculator the answer will be the following
60^10 is 6.0466176 x 10^17
