Question

Simplify the product using the rules for exponents: 19^3 × 19^4

Answer 1

a^m * a^n = a^(m+n)

Answer 2

i dont get it

Answer 3

here a =19 m =3 n = 4

Answer 4

just subs in the equation

Answer 5

Select one of the options below as your answer:



A.
19 × 7




B.
1912




C.
19−1




D.
197

Answer 6

it is 19^7

Answer 7

Ignore Shane_B in the first post. Yahoo! has this one covered.

Answer 8

haha ok

Answer 9

I typoed...my bad.

Answer 10

No both are wrong the correct answer is 19(3*4)

Answer 11

No :)

Answer 12

It should be 19^7...you only multiply the exponents if you're raising an exponent to another exponent.

Answer 13

@blm: Maybe this explanation will be better. The rule is:\[\large a^x*a^y=a^{x+y}\]Which can be easily proven with an example: \[a^2*a^3=a^5=a*a*a*a*a\]