We are given: \(\displaystyle{\left(−{2}{v}^{{2}}\right)}{\left({3}{v}\right)}{\left({5}{v}^{{5}}\right)}\)

Use the rule: \(a^m \times a^n=a^m+n =(-2)(3)(5)v^2+1+5 =-30v^8\)

Question

asked 2021-07-04

\(\displaystyle{\left(−{2}{v}^{{2}}\right)}{\left({3}{v}\right)}{\left({5}{v}^{{5}}\right)}\)

asked 2021-09-06

Suppose \(\displaystyle{E}{\left({X}\right)}={5}\) and \(\displaystyle{E}{\left[{X}{\left({X}–{1}\right)}\right]}={27.5},\) find \(\displaystyle\in{\left({x}^{{2}}\right)}\) and the variance.

asked 2021-09-13

Urn 1 contains 7 red balls and 1 black ball. Urn 2 contains 1 red ball and 2 black balls. Urn 3 contains 5 red balls and 2 black balls. If an urn is selected at random and ball is drawn, find the probability that it will be red.

asked 2021-06-04

\(\displaystyle\frac{{{25}{h}^{{3}}\cdot{j}{k}^{{5}}}}{{{12}{h}^{{2}}\cdot{k}}}\)