chemistry question! Help!?

0 ⤊

chemistry question! Help!?

(3.8 x 10 to the 5th power) - (2.1 x 10 to the 6th power)

help.

i have no clue how to do this one.
b/c i know the exponents have to be the same..
ugh. help.

2007-09-20 15:18:06 · 4 answers · asked by Emily 2 in Science & Mathematics ➔ Mathematics

4 answers

So make the exponent the same!

2.1x10^6 = 21 x10^5

2007-09-20 15:24:55 · answer #1 · answered by Computer Guy 7 · 0⤊ 0⤋

380000 - 2100000 =
-1720000

2007-09-20 22:23:54 · answer #2 · answered by Anonymous · 0⤊ 0⤋

-1800000

2007-09-20 22:25:01 · answer #3 · answered by Anonymous · 0⤊ 0⤋

-372.278

2007-09-20 22:22:50 · answer #4 · answered by J39P 1 · 0⤊ 0⤋