3 years ago

Simplify the following (-4r^5)(2r^8)

Mathematics

1 answer:

jolli1 [7]3 years ago

8 0

Multiplying a - and a + equals a - , -8r18

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Darya [45]

Answer:

a and c

Step-by-step explanation:

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Giant spider crabs prefer an elevation of around -800 feet, and Atlantic wolffish prefer an elevation of around -300 feet.

Zepler [3.9K]

Giant spider crabs tend to be farther from the surface of the ocean than Atlantic wolffish

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3 years ago

Hernando ate StartFraction 2 Over 8 EndFraction of a pizza for a dinner. He gave his 6 friends the rest of the pizza and told th

ozzi

Answer:

Yes, they are correct. Hernando divided 6 by 6.

Step-by-step explanation:

Given that:

Hernando ate 2/8 of a pizza for dinner.

Let the pizza be x. Then:

Hernando ate $\dfrac{2}{8} \ \ o f \ \ x$

Then he gave the rest of the pizza to his friends

Hernando now carried out the following calculations to support his activities;

$\dfrac{6}{8} \div 6= \dfrac{6 \div 6}{8}= \dfrac{1}{8}$

$\dfrac{6}{8} \times \dfrac{1}{6}= \dfrac{6 \div 6}{8}= \dfrac{1}{8}$

From the above calculation; we will see that Hernando divided 6 by 6 in both cases to get $\dfrac{1}{8}$ .

Thus, the correct answer is:

Yes, they are correct. Hernando divided 6 by 6.

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3 years ago

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Solve for k<br> k - 2/ 5 = 11j

Vikki [24]

You have to move the -2/5 by the 11j to get k by its self
K=11j+-2/5

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3 years ago

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Divide:5.52 x 1031.2 x 105Write your answer in scientific notation. For example, you'd enter 2.3*10^4 for 2.3 x 104

IrinaK [193]

The question can be solved as follows:

$\frac{5.52\times10^3}{1.2\times10^5}=\frac{5.52}{1.2}\times10^{-2}=4.6\times10^{-2}$

Hence the value of the given expression in scientific notation is expressed as:

$\frac{5.52\times10^3}{1.2\times10^5}=4.6\times10^{-2}$

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1 year ago