A community for students.
Here's the question you clicked on:
 0 viewing
Help1234321
 2 years ago
HELP!!!!!!!!!!!!!!!
Simplify 4^21

4^7
1. 4^28
2. 4^21
3. 4^7
4. 4^3
Help1234321
 2 years ago
HELP!!!!!!!!!!!!!!! Simplify 4^21  4^7 1. 4^28 2. 4^21 3. 4^7 4. 4^3

This Question is Closed

Help1234321
 2 years ago
Best ResponseYou've already chosen the best response.0@sunlab2015 @surdawi @MicroBot @MATHGEOMETRY8 @Hollywood_chrissy

SheldonEinstein
 2 years ago
Best ResponseYou've already chosen the best response.1Always remember that : \(\frac{a^b}{a^c} = a^{bc} \)

SheldonEinstein
 2 years ago
Best ResponseYou've already chosen the best response.1Hence, \[\large{\frac{4^{21}}{4^7} = 4^{217} = 4^{14}}\]

Help1234321
 2 years ago
Best ResponseYou've already chosen the best response.0Which operation would you use on the exponents to simplify the expression 57 × 511? Addition Subtraction Multiplication Division

Help1234321
 2 years ago
Best ResponseYou've already chosen the best response.0Which operation would you use on the exponents to simplify the expression 5^7 × 5^11? Addition Subtraction Multiplication Division

Help1234321
 2 years ago
Best ResponseYou've already chosen the best response.0Simplify 15^4  15^5

Help1234321
 2 years ago
Best ResponseYou've already chosen the best response.0Simplify 15^4  15^5

Help1234321
 2 years ago
Best ResponseYou've already chosen the best response.0wouldnt it be 15^9??? not a answer

Miyuru
 2 years ago
Best ResponseYou've already chosen the best response.1Do subtraction like this....\[\frac{15^4}{15^5}=15^{45}=15^{1}\]

Miyuru
 2 years ago
Best ResponseYou've already chosen the best response.1This answer is for the one you typed before..

Miyuru
 2 years ago
Best ResponseYou've already chosen the best response.1\[\frac{15^{4}}{15^5}=15^{45}=15^{9}\]
Ask your own question
Sign UpFind more explanations on OpenStudy
Your question is ready. Sign up for free to start getting answers.
spraguer
(Moderator)
5
→ View Detailed Profile
is replying to Can someone tell me what button the professor is hitting...
23
 Teamwork 19 Teammate
 Problem Solving 19 Hero
 Engagement 19 Mad Hatter
 You have blocked this person.
 ✔ You're a fan Checking fan status...
Thanks for being so helpful in mathematics. If you are getting quality help, make sure you spread the word about OpenStudy.