3 years ago

Simplify the expression 1/b^-7 b^5

1 answer:

pogonyaev3 years ago

5 0

Answer:

Step-by-step explanation:

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sasho [114]

Step-by-step explanation:

${4}^{ - 5} = \frac{1}{ {4}^{ 5} } \\ \\ = \frac{1}{1024} = 1024 {}^{ - 1}$

7 0

3 years ago

olchik [2.2K]

M=4n+11
-6n+8m=36

-6n + 8(4n+11) = 36
-6n + 32n + 88 = 36
26n = 36 - 88
26n = -52
n = -2

m = 4n+11 = 4(-2) + 11 = 3

Answer: (3, -2)

4 0

3 years ago

Gwar [14]

Answer: Number of ways $=\dfrac{8!}{8!0!}\ or \ 1$

Step-by-step explanation:

When there is no replacement , we use combination to find the number of ways to choose things.

Number of ways to choose r things out of ( with out replacement) = $^nC_r=\dfrac{n!}{r!(n-r)!}$

The number of ways to choose 8 things = $^8C_8=\dfrac{8!}{8!(8-8)!}=\dfrac{1}{0!}=1 [\because 0!=1]$

Hence, Number of ways $=\dfrac{8!}{8!0!}\ or \ 1$

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3 years ago

tatuchka [14]

Answer:

The answer is D

Step-by-step explanation:

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3 years ago

REY [17]

Answer:

Uwu

Step-by-step explanation:

8 0

3 years ago