# Math Help - Some quick questions

1. ## Some quick questions

Work out the values of "m" and "n"

a) 5 8x5 4 = 5 m
DAM the superscript didnt work. The numbers that look in bold are powers.

b) I couldnt do this one without using that LaTeX thing, which I dont know how to use anyway, so I used paint!
It looks stupid I know, but it gets the job done.

Thanks.

2. Hello,
Originally Posted by FB FTW
Work out the values of "m" and "n"

a) 5 8x5 4 = 5 m
DAM the superscript didnt work. The numbers that look in bold are powers.

b) I couldnt do this one without using that LaTeX thing, which I dont know how to use anyway, so I used paint!
It looks stupid I know, but it gets the job done.

Thanks.

Use the following rule :

$\frac{a^b}{a^c}=a^{b-c}$

3. I got

A) m=4
B) n=1.25

Correct?

Thanked btw

4. Originally Posted by FB FTW
I got

A) m=4
B) n=1.25

Correct?

Thanked btw
Hmmm i didn't understand there were two questions ><

No, first one : $a^b \times a^c=a^{b+c}$

second one : $\frac{a^b}{a^c}=a^{b-c}$

(click on the pictures to see the latex code )

5. So its
A) 12
B) 1.25?

6. Originally Posted by FB FTW

So its
A) 12
Yes
B) 1.25?
no !

it's not 5/4.

here, a=5, b=8, c=4.

try to work it out

7. Ummm.
Are they both 12?

8. Originally Posted by FB FTW
Ummm.
Are they both 12?
what is 8-4 ?

9. Crap sorry, should have wrote it down, thought it was + not -

So its 4

10. Originally Posted by FB FTW
Crap sorry, should have wrote it down, thought it was + not -

So its 4

11. Bet you were:

'ing!

:P

Check my new question for a thank

12. ## Angel (Best Solution)

58 x 54 = 5m
5 8+4 = 5 m (if the base is same and values are multiplying, then we add the powers)
512 = 5 m
So compare power with power and base with base

m=12

58 / 54 = 5m

58-4 = 5 n (if the base is same and values are dividing, then we minus the powers)

54 = 5 n

So compare power with power and base with base
n=4

13. Moo already helped me, but thanks anyway.
Check out my new question in my sig.