Question

(-3)^4×7^4 simplyfy the following
$( - {3)}^{4 } \times {7}^{4}$
​

Answer 1

Step-by-step explanation:

we know that,

(−a)4=a4 as 4  is even

so,

(−3)4=34

am∗bm=(ab)m

so,

34∗74=(3∗7)4=(21)4=(−21)4