anonymous 4 years ago Which is the correct simplification of 5.4x^12/1.2x10^3 ? confused! help please

1. amistre64

i think your missing a 10 in that

2. amistre64

5.4 x 10^12 ---------- 1.2 x 10^3 by chance?

3. anonymous

yes your correct, i meant 5.4x10^12

4. amistre64

well, its good to know that: $\frac{b^n}{b^m}=b^{n-m}$

5. anonymous

|dw:1328232603792:dw|Wow i got a Cac Error lol There we go :p Crap messed up and i think not lol

6. amistre64

5.4 x 10^12 5.4 x 10^(12-3) ---------- = -------------- 1.2 x 10^3 1.2

7. anonymous

Thats what i got

8. amistre64

54 x 10^(9) --------- 12 27 x 10^(9) --------- 6 9 x 10^(9) --------- ; so far :) 2

9. amistre64

9/2 = 4.5 soooo 4.5 x 10^9 is my best guess

10. anonymous

thank you! i dont think i ever would have gottn it :P

11. amistre64

yw