Question

Calcule o valor das expressões

A) (3^-3)^3
B) 5^x+3 x 5^x-3
C) 3^2m : 3^1-m
D) ( 7^a.7^a+1) : 7^a+2

Answer 1

A=(3-³)³=3^-9

B=5^x+3×5^x-3=5²×

C=3^2m÷3^1-m=3³m-¹

D=(7ª×7ª+¹)÷7ª+²=7²ª+¹÷7ª+²

=7ª-¹