Question

will give medal
A scientist estimated that a mixture would need 5 milliliters of a chemical to balance. The actual amount needed was 7 milliliters. What was the percent error of the scientist's estimation?

3%
28.57%
40.00%
71.43%

Answer 1

ithink b

Answer 2

@gigi2002 @cupcakerain @blueSurrency

Answer 3

i am not sure if it is a a or b but it could be either one

Answer 4

think b

Answer 5

im not 2 sure tho

Answer 6

Im really not sure either

Answer 7

@iGreen.

Answer 8

it closed i have a new question thx anyway guys