Question

A)0,4444.....
B)9,6666.....
C)2,454545.....
D)7,1555.....

Answer 1

Resposta:

Explicação passo-a-passo:

A)  0,444... = 4\9

B)  9,666... = 9 + 6\9 = 9.9+6\9 = 87\9 = 29\3

C)  2,454545... = 2 + 45\99 =

2.99+45\99 = 243\99 = 81\33 = 27\11

D)  7,1555... = 7 + 15-1\90 = 7 + 14\90 =

7.90+14\90 = 644\90 = 322\45