# Pre Algebra

6. 7^5 • 7^6 = (1point)
a. 49^30
b. 7^30
c. 49^11***
d. 7^11

1. nope

7^5 * 7^6 = 7^(5+6) = 7^11

Better review the rules of exponents. The base does not change:

a^m * a^n = a^(m+n)
NOT
(a^2)^(m+n)

posted by Steve
2. 7^5 * 7^6
= 7*7*7*7*7 * 7*7*7*7*7*7
= 7^11

all 7's, no 49's

posted by Steve

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