You are correct with the 1.42 but wrong with the 10^5
Count the digits after the 1, which is 7. So it should be
1.42 x 10^7
Answer:
4/10 : 1/25
4/10 / 1/25 = 4/10 x 25/1 = 100/10 = 10.
10 can also be written as 10:1, so A is correct.
Hope this helps!
Find how much space the object takes up by multiplying the height and base for the rectangular box, and multiplying the height and area of circle (area of circle formula--2πr) for the cylinder.
I think it's 30,000 because 8 rounds to 10 so 28 rounds to 30
Answer:
Step-by-step explanation:
The formula of an area of a circle:
The formula of a perimeter of a circle:
r - radius
We have the area of a circle
Substitute:
<em>divdie both sides by π</em>
Calculate the perimeter:
