(-3)^4×7^4 simplyfy the following – InterviewSolution

1.	(-3)^4×7^4 simplyfy the following
Answer» -STEP explanation:we KNOW that,(−a)4=a4 as 4 is evenso,(−3)4=34am∗bm=(AB)mso,34∗74=(3∗7)4=(21)4=(−21)4

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