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Yahoo!
 2 years ago
Best ResponseYou've already chosen the best response.3just subs in the equation

b.l.m
 2 years ago
Best ResponseYou've already chosen the best response.0Select one of the options below as your answer: A. 19 × 7 B. 1912 C. 19−1 D. 197

AnimalAin
 2 years ago
Best ResponseYou've already chosen the best response.0Ignore Shane_B in the first post. Yahoo! has this one covered.

jesusisrisen
 2 years ago
Best ResponseYou've already chosen the best response.0No both are wrong the correct answer is 19(3*4)

Shane_B
 2 years ago
Best ResponseYou've already chosen the best response.1It should be 19^7...you only multiply the exponents if you're raising an exponent to another exponent.

Shane_B
 2 years ago
Best ResponseYou've already chosen the best response.1@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: \[a^2*a^3=a^5=a*a*a*a*a\]
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