Pre-Algebra Math- Express using Positive Exponents

Algebra
Tutor: None Selected Time limit: 1 Day

It says "Simplify. Express using positive exponents."

s^-5 times s^7

pretty sure the answer is 1/s^2 though

Apr 21st, 2015

when we multiply exponents we powers if the base is equal. 


Therefore in our case above, 


we have  s^-5 x s^7 = s^(-5+7) =s^2


and therefore the answer is supposed to be s^2

Apr 21st, 2015

thanks so much!

Apr 21st, 2015

welcome.

Apr 21st, 2015

i have another question like it


Apr 21st, 2015

send it to me please


Apr 21st, 2015

e^-3 divided by e^-2

Apr 21st, 2015

e^-3 divided by e^-2

For exponential powers while dividing like the one above if the base is equal(in this case the base is e, which means is equal), we subtract the powers while the base remains the same. i.e

e^(-3 - -2) = e^(-3+2) = e^-1

Apr 21st, 2015

appreciate this! helped a lot

Apr 21st, 2015

do you by any chance know how to do absolute value


Apr 21st, 2015

absolute value sounds familiar you can send the question and i'll see if i can help

Apr 21st, 2015

the 1's down below on the outsides are just supposed to be lines

- 1 -12 1



Apr 21st, 2015

should it be from -1 to 1 or?


Apr 21st, 2015

i dont understand. It says negative sign then there is a line and then there is a negative twelve inside then there is another line to close it up.

Apr 21st, 2015

please look at this example it might help.

This one is from -6 to 6

Apr 21st, 2015
capture.png

ohh ok i understand thank you

Apr 21st, 2015

ohh ok i understand thank you

Apr 21st, 2015

welcome so much.Please best my previous answer. Thank you

Apr 21st, 2015

best your previous answer? how do i do that

Apr 21st, 2015

the one i answered first


Apr 21st, 2015

how do i do it though

Apr 21st, 2015

i have no idea but it's no big deal. we usually receive ratings when we answer such question but to be honest i have never known how they come about. but you can try to rate my review and if it goes through please give me 5 stars if possible to access my profile.

Apr 21st, 2015

oh i figured out how to do it! thanks again

Apr 21st, 2015

i have appreciated you company and questions.Here it is 2.29 am

Apr 21st, 2015

oh wow you too

Apr 21st, 2015

Hi i am doing a project for school. 

I have to find one interior angle of a shape i made. It has 8 sides.

How do i find one interior angle of the shape that has 8 sides?


Apr 23rd, 2015

I am very sorry for not responding in time. I was offline.

Apr 23rd, 2015

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Apr 21st, 2015
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Apr 21st, 2015
Dec 8th, 2016
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