$\bf ~~~~~~~~~~~~\textit{negative exponents}
\\\\
a^{-n} \implies \cfrac{1}{a^n}
\qquad \qquad
\cfrac{1}{a^n}\implies a^{-n}
\qquad \qquad a^n\implies \cfrac{1}{a^{-n}}
\\\\[-0.35em]
\rule{34em}{0.25pt}\\\\
\cfrac{(r^{-7}b^{-8})^0}{t^{-4}w}\implies \cfrac{1}{t^{-4}w}\implies \cfrac{1}{t^{-4}}\cdot \cfrac{1}{w}\implies t^4\cdot \cfrac{1}{w}\implies \cfrac{t^4}{w}$

6 0

3 years ago

Read 2 more answers

I think of a number, multiply it by three, and add four. I get twenty two.

melomori [17]

Step-by-step explanation:

3x+4=22

3x=22-4

3x=18

x=18/3

x=6

3 0

3 years ago

Read 2 more answers

What is the area of the composite figure

tigry1 [53]

Answer:

132cm

Step-by-step explanation:

4 0

3 years ago

Jill had $125 to spend at the mall. She spent 27% of that money on a pair of shoes. Jill spent $___ on the shoes.

zaharov [31]

You need to find what 27% of $125 is.
To find a percent of a number, multiply the percent by the number.

27% of $125 =

= 27% * $125

= 0.27 * $125

= $33.75

Answer: Jill spent $33.75 on the shoes.

4 0

4 years ago

Myra competed in a 5.2 km bicycle race. she finished in 12 minutes. which calculation would give her average speed (km/h).​

Myra competed in a 5.2 km bicycle race. she finished in 12 minutes. which calculation would give her average speed (km/h).