Question

314432 find the cube roots of the number using the units digit method​

Answer 1

Answer:

The given number is 314432.

To find :

We have to find the cube root of 314432 by unit digit method.

Solution :

314432

Step 1 :

Split the given number into two groups.

314 and 432.

Step 2 :

Take 432,

2 is the unit digit of 432.

${8}^{3} = 8 \times 8 \times 8 =512$

So, the cube root will end at 8.

Step 3 :

Take 314 now,

Cube root of the number less than 314 is 6

Cube root will start with 6.

$6 \times 6 \times 6 = 216$

So,

${68}^{3} = 68 \times 68 \times 68 = 314432$

Therefore, the cube root of given number 314432 is 68.

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