After 20 mins Juan had completed 12 questions which is .7 of his assignments. What percent of the assignment had Juan not completed?

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01-03-2017
Mathematics

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After 20 mins Juan had completed 12 questions which is .7 of his assignments. What percent of the assignment had Juan not completed?

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All of the following expressions have a value between 0 and 1, excepta. \frac{(-3^{7})}{(-3)^9}b. 4^{-10}× 4^{6}c. \frac{(8^3)^3}{8^{-4}} d. ( \frac{2}{5} ^{8})

find the circumference of a circle whose radius is 15.4cm

What value of x makes the equation true ? 4(2x-4)=16

All of the following expressions have a value between 0 and 1, excepta. \frac{(-3^{7})}{(-3)^9}b. 4^{-10}× 4^{6}c. \frac{(8^3)^3}{8^{-4}} d. ( \frac{2}{5} ^{8})

In scientific notation, what is the sum of 2.3 times 10^{-3} and 5.4 times 10^{-4}?a. 2.84 times 10^{-3}b. 5.63 times 10^{-3}c. 7.7 times 10^{-7}d. 12.42 times

What value of x makes the equation true ? 4(2x-4)=16

All of the following expressions have a value between 0 and 1, excepta. \frac{(-3^{7})}{(-3)^9}b. 4^{-10}× 4^{6}c. \frac{(8^3)^3}{8^{-4}} d. ( \frac{2}{5} ^{8})

What value of x makes the equation true ? 4(2x-4)=16

smorin52 smorin52 · Answer 1 · 2017-03-01T19:07:10+01:00

smorin52 smorin52

01-03-2017

All you gotta do is multiply .7 by 100 which gives you 70
so subtract 70 from 100 which is 30
he had not completed 30% of his assignment

hope this helped :)

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toriiboo toriiboo · Answer 2 · 2017-03-01T19:09:21+01:00

toriiboo toriiboo

01-03-2017

well, if 0.7= 70 %
100- 70= 30

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