Question

Preciso de ajudar. ......​

Answer 1

16 a) (7.7)= quarenta e nove

b) (8.1)= oito

c) (12.0)= zero

d) (2.2.2.2.2)= trinta e dois

17 a) 3 b) 243 c) 81 d) 3

18 a) 9 b) 3 c) 0 d) -3 e) 27 f) 9

19) a) 3²×5²=(9×25)=225

b) 2¹⁰×2⁸÷2⁶=(1.024.256÷64)= 4096

c) 1/4³=1/64

d) 1/4‐²=-1/16

e) 1/2⁶×1/2¹²÷ 1/2⁸=(1/64)×(1/4096)÷(1/256)=

=1/1024

f) (5/×4)²=(25×16)=400=4=1

""5⁴×2⁵=(3125×32)=100.000=1.000=250

=1/250