Question

URGENTE: (PRECISO DA CONTA)

8_ Calcule.

a) ( 3/5 ) elevado a 2
b) ( - 4/7 ) elevado a 2
c) ( - 1/5 ) elevado a 3
d) ( - 1/2 ) elevado a 4
e) ( + 1/3 ) elevado a 5
f) 3/2 elevado a 2

Answer 1

a) 3/5 × 3/5 =
9/25

b) -4/7 × - 4/7 =
16/49

c) -1/5 × -1/5 × -1/5 =
1/25 × -1/5 =
-1/125

d) -1/2 × -1/2 × -1/2 × -1/2 =
1/4 × -1/2 × -1/2 =
-1/8 × -1/2
1/16

e) 1/3 × 1/3 × 1/3 × 1/3 × 1/3 =
1/9 × 1/3 × 1/3 × 1/3 =
1/27 × 1/3 × 1/3 =
1/81 × 1/3 =
1/243

f) 3/2 × 3/2 = 9/4