Question

1. Find the cube nor of the following numbers by successive subtraction:
b)64

Answer 1

Answer:

we can write 64=70-6

(70-6)*3

(70)(70)(70)-(6)(6)(6)-3(70)(6)[70-6]

343000-216-1260(64)

343000-216-80640

343000-80856

262144

Step-by-step explanation:

it is correct

Answer 2

Let’s perform subtraction

64 – 1 = 63

63 – 7 = 56

56 – 19 =37

37 – 37 = 0

Subtraction is performed 4 times.

∴ Cube root of 64 is 4.