How do I give brainlist?

Mathematics

2 answers:

blsea [12.9K]3 years ago

6 0

Answer:

Hi there

Step-by-step explanation:

when u ask a question, other users are pleased to answer it. Whenever u have TWO answers u are allowed to pick which one is the BEST answer. There will be a yellow crown probably at the right hand corner

~Your Welcome!

Fofino [41]3 years ago

5 0

Answer:

If two people have answered, you chose the one you want to give brainliest, and give them a crown on their answer.

Step-by-step explanation:

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Step-by-step explanation:

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Question 12 With steps please

34kurt

$Answer:\ \boxed{5^2}$

$\sqrt[n]{a}=a^\frac{1}{n}\\\\\text{therefore}\\\\\sqrt5=5^\frac{1}{2}\\----------------\\25=5^2\\----------------\\78,125=5^7\\----------------\\\text{use}\\\\a^n\cdot a^m=a^{n+m}\\\\\dfrac{a^n}{a^m}=a^{n-m}\\----------------\\\\\dfrac{\sqrt5\times78,125}{25\times5^{\frac{7}{2}}}=\dfrac{5^\frac{1}{2}\times5^7}{5^2\times5^\frac{7}{2}}=\dfrac{5^{\frac{1}{2}+7}}{5^{2+3\frac{1}{2}}}=\dfrac{5^{7\frac{1}{2}}}{5^{5\frac{1}{2}}}=5^{7\frac{1}{2}-5\frac{1}{2}}=\boxed{5^2}$