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3 years ago

198+727 rounding or compatible number

Mathematics

1 answer:

Roman55 [17]3 years ago

5 0

198+727=925 round it to 930.

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Simplify the expression.<br>Write your answer without negative exponents. NEED AN ANSWER ASAP

harina [27]

Answer:

$\boxed{\frac{-3b^4 }{a^6 }}$

Step-by-step explanation:

$\frac{-18a^{-8}b^{-3}}{6a^{-2}b^{-7}}$

$\frac{-18}{6} \times \frac{a^{-8}}{a^{-2}} \times \frac{b^{-3}}{b^{-7}}$

$-3 \times \frac{a^{-8}}{a^{-2}} \times \frac{b^{-3}}{b^{-7}}$

Apply the law of exponents, when dividing exponents with same base, we subtract the exponents.

$-3 \times a^{-8-(-2)} \times b^{-3- (-7)}$

$-3 \times a^{-8+2} \times b^{-3+7}$

$-3 \times a^{-6} \times b^{4}$

${-3a^{-6}b^{4}}$

The answer should be without negative exponents.

$a^{-6}=\frac{1}{a^6 }$

$\frac{-3b^4 }{a^6 }$

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3 years ago

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Alona [7]

Answer:

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4 years ago

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A line has a slope of 1/5 and a run = 30. What is the<br> rise?

pashok25 [27]

Answer:

Step-by-step explanation:

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