Question

usando as propriedades, simplifique :
a)10^7.10^2
b)(2/3)^5=
c)(3/5)^2=
d)(7^2)^10=

Answer 1

a

10^7  *  10²  =  ( 10 )^7 + 2  =  ( 10)^9 ****

conserva  a base e soma expoentes

b

( 3/5)²  = 3/5 * 3/5 = 9/25 ****

c

( 7² )^10  =  7^20  ****

multiplica expoentes  10 * 2 = 20 ***