Question

I don't understand how u can get 3454 from mutiplying 1,100(3.14)
When i did it i got 1414 The question: is 2(3.14r2 + 2(3.14)rh 2(3.14)(10)2 + 2(3.14)(10)(45) and when i got done with the promblem the answer in book said approximately 3454in2 when i got 1414 from adding and i even got a bigger number buy multiply

Answer 1

. . . . 1100

. . * . 3.14
_________________

. . . . .4400
. . . . 1100
. . . .3300
__________________
. . . .345400

Since there are two decimal places in the problem, we must have two in the answer.

Therefore, the answer is 3454.00

To do a quick check -- estimate 3 times 1000 is 3,000. Your answer must be a little larger than 3,000

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