Find the cube root of 438976?1. 862. 563. 764. 665. 62

1.	Find the cube root of 438976?1. 862. 563. 764. 665. 62
Answer» Correct Answer - Option 3 : 76 Given: The given number = 438976 Concept: Calculation skills trick Calculation: Step(1): First, we will take the digit at the unit’s place. At the unit place, we have 6. Step(2): Now consider the cube table, the cube of which number has 6 as at the unit digit place. We see, 6 × 6 × 6 = 216. Step(3): That means the cube root of 438976 will have 6 at the unit place. Step(4): Now ignore the last 3 digits of 438976, i.e. 976 Step(5): Taking 438 as a reference number, we can see from the cubes table 438 lies between cubes of 7 and 8. Step(6): Here, we choose the lower number i.e. 7 ∴ We get the two digit of the answer ∴ Cube root of 483976 = 76

Answer» Correct Answer - Option 3 : 76

Given:

The given number = 438976

Concept:

Calculation skills trick

Calculation:

Step(1):

First, we will take the digit at the unit’s place.

At the unit place, we have 6.

Step(2):

Now consider the cube table, the cube of which number has 6 as at the unit digit place.

We see, 6 × 6 × 6 = 216.

Step(3):

That means the cube root of 438976 will have 6 at the unit place.

Step(4):

Now ignore the last 3 digits of 438976, i.e. 976

Step(5):

Taking 438 as a reference number, we can see from the cubes table 438 lies between cubes of 7 and 8.

Step(6): Here, we choose the lower number i.e. 7

∴ We get the two digit of the answer

∴ Cube root of 483976 = 76

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