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Mathematics 8 Online
OpenStudy (anonymous):

HELP PELASE

OpenStudy (anonymous):

OpenStudy (mathstudent55):

Do the operation in the numerator first. In the numerator, you are multiplying powers with the same base. Add the exponents.

OpenStudy (anonymous):

Remember, a^-x=1/a^x

OpenStudy (mathstudent55):

\(\large \dfrac{5^{-6} \cdot 5^2}{5^{-8}} =\) \(= \large \dfrac{5^{-6+2}}{5^{-8}} \) What is \(-6 + 2\) ?

OpenStudy (anonymous):

8

OpenStudy (anonymous):

sorry lol i hade to cahndge my pc a little bit

OpenStudy (mathstudent55):

Notice the 6 is negative. It is not 6 + 2. That would be 8. It is -6 + 2. What is -6 + 2?

OpenStudy (anonymous):

8

OpenStudy (mathstudent55):

No. Let's say the temperature is -6 degrees. Then the temperature goes up 2 degrees. What temperature is it now?

OpenStudy (anonymous):

-4

OpenStudy (anonymous):

i thought i was adding lol

OpenStudy (mathstudent55):

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