Which of the following expressions is not equal to 1/25?
A. 5^5*5^0*5*5^-4
B. 5^2*5^-6*5^3*5^-1
C. 5*5^0*5^-1*5^-2
D. 5^6*5^-10*5^3*5^-1

Question

Which of the following expressions is not equal to 1/25?
A. 5^5*5^0*5*5^-4
B. 5^2*5^-6*5^3*5^-1
C. 5*5^0*5^-1*5^-2
D. 5^6*5^-10*5^3*5^-1

immanuelv · Answer

do you have a calculator?

andrewkaiser333 · Answer

not with me traveling atm

immanuelv · Answer

im surprised you wanna do math while travelling ...but back to topic
you know when you have the same base and you are multiplying, you can just add the exponents together :D

studygurl14 · Answer

You are currently on a computer...which has the internet...which has online calculators...

studygurl14 · Answer

just sayin...but yea, do you know the rules of exponents?

immanuelv · Answer

im a limited mathematician.. just a lv 1... @StudyGurl14 is lv 2 or 3 i think

studygurl14 · Answer

Mathlete is lv 2, though i'm wokring on lv 3. I'll get 3000 smartcents someday...

andrewkaiser333 · Answer

i am on my phone
but cannto multi task on it

studygurl14 · Answer

ah i see...

andrewkaiser333 · Answer

or ti will screw up

studygurl14 · Answer

Okay....So...
$$x^n \times x^m = x^{n+m}$$

andrewkaiser333 · Answer

ok next

studygurl14 · Answer

That's basically all you need to know to solve all these problems

immanuelv · Answer

just add up all the exponents and the one that gives you -2 will lead you to your answer

andrewkaiser333 · Answer

ok

studygurl14 · Answer

what @immanuelv said