1.) write (4XY) to the second power in expanded form
please answer specifically
help with 7th grade math?
2016-10-09 10:48 pm
回答 (2)
2016-10-09 11:15 pm
Apply the exponent to all the factors in the parentheses.
(4xy)² = 4²·x²·y² = 16x²y²
(4xy)² = 4²·x²·y² = 16x²y²
2016-10-09 11:08 pm
16 x² y² ≡ ( 4xy)²...use [ a b ]² = a² b² , one of the facts about exponent properties
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