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zysi [14]
3 years ago
7

(5.78×10^-3)+(8×10^-4)

Mathematics
1 answer:
wel3 years ago
5 0

The answer that I got was 0.00658 because 5.78×10^-3 =0.00578 and 8×10^-4 =0.0008 than you add them and it equals 0.000658

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if you subtract 17 from my number and multiply the difference by -6 the results is -138 what is Sarah's number
likoan [24]

Answer:

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Step-by-step explanation:

let the unknown be y (x is used as times(multiplication) )

(y-17)x-6=-138

add /-6 to both sides

y-17x-6/-6=-138/-6

y-17=23

make y independent/add 17 to both sides

y-17+17=23+17

y=40

or in an easier way

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simply reversing the question to get the answer

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