3 years ago

Add or substract the linear expression.

Mathematics

1 answer:

STatiana [176]3 years ago

4 0

Answer:

-7x - 6

Step-by-step explanation:

Distribute

(−2+5)−1(6+4)+(−7)

(−2+5)−6−4+(−7)

Eliminate redundant parentheses

(−2+5)−6−4+(−7)

−2+5−6−4+−7

Add the numbers

−2+5−6−4+−7

−2−6−6+

Combine like terms

−2−6−6+

Answer:

−7−6

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We want to multiply $2.5\cdot10^{-10}$ by $7\cdot10^{-6}$ .

The numbers are written in scientific notation. So we expect the answer also to be in scientific notation.

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