Question

Oblicz sprytnie:

a) 1.5⁴ x 2⁵

b) 0.4⁶ x 5⁵

c) (⁷/₃)⁸ x (³/₇)¹⁰

d) 1.2⁵ : 0.6⁶

PILNE!!

Answer 1

a) 1.5⁴ x 2⁵=(1,5*2)⁴*2=3⁴*2=81*2=162
b) 0.4⁶ x 5⁵=(0,4*5)⁵*0,4=2⁵*0,4=32*0,4=12,8

c) (⁷/₃)⁸ x (³/₇)¹⁰=(⁷/₃*³/₇)⁸*3/7*3/7=1*9/49=9/49

d) 1.2⁵ : 0.6⁶=(1.2:0,6)⁵:0.6=2⁵:0,6=53 1/3