Asked by doge master

Simplify the expression
(3)^10 (3)^-9
A; 3
B; 1/3
C;9^-90 (my answer)
D 9
Am i correct?
Answered by I Love Taylor Swift
Well, if you were to work it it it would be A(3).
You usually do not combine the terms as in letter C(9^90).
I would go with letter A.😀
Answered by I Love Taylor Swift
Sorry first line is supposed to be: Well if you were to work it out, it would...
Answered by doge master
Oh yeah that makes sense. Thanks for the help!!!
Answered by doge master
umm...how do you get that answer as three though? mabye i can use that same method in the future
Answered by John
You keep the base and add the exponents.

base is 3 and exponents add to 1 so 3^1= 3
Answered by oobleck
9^-90 would be (3*3)^(10 * -9)
Better review the properties of exponents some more.
Answered by Obama
Anyone have all the test answers?
Answered by obama is ur mama salama lama
who has the answer
Answered by fhgwherbgh
1.a
2.a
3.c
4.?
5.a
6.?
7.c
8.a
9.a
10.c
11.a
12.a
13.b
14.?
15.c
16.b
17.yes a
18.no a
19.a
20.?
21.a
22.?
23.b
24.?
Answered by Nat
fhgwherbgh got me a 50% Thanks a lot. Do NOT true him/her.
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