## shes.radical one year ago Choose the correct simplification of the expression

$\frac{ 8b }{ a^-5 }$

thats 'A' raised to the power of -5

3. anonymous

4. anonymous

also what do you think the answer is?

5. triciaal

you can shift the number 6 key to get the symbol for exponent

6. triciaal

|dw:1440616614465:dw|

answer choices: (a) $\frac{ a^5b }{ 8 }$ (b) $\frac{ 8 }{ a^5b }$ (c) $8a^5b$ (d) Already Simplified

8. triciaal

9. triciaal

|dw:1440616791816:dw|

10. triciaal

|dw:1440616881037:dw|

oh okay i get it..thank you!

12. triciaal

this works too a^0 = 1 when you divide you subtract exponents 1/a^-5 = a^0/a^-5 = a^(0--5) = a^5

big help, thanks

14. triciaal

welcome