Question

determine o quadrado de -12a²b5c7

Answer 1

( - 12a²b^5 c^7 ) =  

( -12)²  * (a²)² * (b^5)²  * (c^7)²

( -12)² =  -12 * - 12  = + 144 ****  ( expoente par fica positivo )

( a²)²  =a^4

( 2 * 2 = 4 ) ***

( b^5)²  = b^10

(5 * 2 = 10 )***

( c^7)²  =  c^14

( 7 * 2 = 14 )****

resposta  >>144a^4b^10c^14