$\bf ~~~~~~~~~~~~\textit{negative exponents} \\\\ a^{-n} \implies \cfrac{1}{a^n} \qquad \qquad \cfrac{1}{a^n}\implies a^{-n} \qquad \qquad a^n\implies \cfrac{1}{a^{-n}} \\\\\\ \textit{also recall that }a^{\frac{ n}{ m}} \implies \sqrt[ m]{a^ n} \qquad \qquad \sqrt[ m]{a^ n}\implies a^{\frac{ n}{ m}} \\\\ -------------------------------$

$\bf \cfrac{11^{\frac{2}{5}}}{11^{\frac{1}{4}}}\implies 11^{\frac{2}{5}}\cdot 11^{-\frac{1}{4}}\implies 11^{\frac{2}{5}-\frac{1}{4}}\implies 11^{\frac{8-5}{20}}\implies 11^{\frac{3}{20}} \\\\\\ \sqrt[20]{11^3}\implies \sqrt[20]{1331}$

5 0

3 years ago

Read 2 more answers

Mathematics, 04.03.2020 23:32 jtoole5341 DIVISION OF PROFITS Tom 20% Ellen 30% Sarah 25% Joel 25% Tom, Joel, Sarah, and Ellen di

inn [45]

9514 1404 393

Answer:

$738

Step-by-step explanation:

The ratio of Ellen's share (e) to Tom's share is ...

30%/20% = e/492

Multiplying by 492, we have ...

e = 492(3/2) = 738

Ellen's share of the profits is $738.

8 0

3 years ago

A cylinder has a radius of 5 inches and a height of 9 inches. What is the volume of the cylinder in cubic inches? Use 3.14 for π

zlopas [31]

Okkaay so this would be 3.14 x (5x5) x 9 = <span>706.5
V=</span>πr2h

6 0

3 years ago