Question

1 - 1.VAMOS CALCULAR:
a) (a³)²=

b) (-2x3 )²=

c) (+9x5 ) : (-3x³)=

d) (-7am ) : (-21am)=

e )(4x³) . (-7x )=

f) (1,5x) . (-0,5xy³)=

Answer 1

a) (a³)²= a⁶

b) (-2x3 )²= 4x⁶

c) (+9x5 ) : (-3x³)= -3x⁵-³ = -3x²

d) (-7am ) : (-21am)= 7/21 = 1/3

e )(4x³) . (-7x )= -28x⁴

f) (1,5x) . (-0,5xy³) = -0,75x²y³