Answer:
140
Step-by-step explanation:
=(-4+55+18)+(18+25+28)
=69+71
=140
C because first you would find the circumference of the circle which is pi times diameter, which is 18.84 but since it is a semi-circle you would divide by 2 which is 9.42. Then you do 3+3=6 + the length which is 6 so you get 12. 12+9.42=21.42 and if you round that to the nearest tenth it is 21.42.
Answer:
9
Step-by-step explanation:
Just like a rectangle, times one length times width
Assuming we are rounding to the nearest 100, five numbers that could be rounded up to 600 are:
550, 567, 579, 580, 599
And five numbers that could be rounded down to 600 are:
601, 610, 625, 630, 649
Answer:
1.555711807*10^10
Step-by-step explanation: