spicymilk77 spicymilk77

18-05-2020
Mathematics

contestada

I need the answers to these question (with steps)

1. simplify -5^ -1

2. simplify -1/y^ -4

3. simplify 5^ 4 x 5^ 7

thanks!

Respuesta :

ronhagrid310 ronhagrid310

18-05-2020

Answer:

-5^ -1 = 1/(-5) = -1/5

-1/y^(-4) = -(1/(1/y^4)) = -y^4

5^4 x 5^7 = 5^(4 + 7) = 5^11

Hope this helps!

:)

Answer Link

amna04352 amna04352

18-05-2020

Answer:

1. -1/5

2. -y⁴

3. 5¹¹

Step-by-step explanation:

1. simplify -5^ -1

1/(-5)

-1/5

2. simplify -1/y^ -4

-1 × y⁴

-y⁴

3. simplify 5^ 4 x 5^ 7

5^(4+7)

5¹¹

Answer Link

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