Question

Successive Subtraction
1331​

Answer 1

Answer:

11

Step-by-step explanation:

Cube root of 1331  ( Using succesive subtraction)

1331-1=1330

1330-7 = 1323

1323-19 = 1304

1304-37 = 1267

1267-61= 1206

1206-91=1115

1115-127=988

988-169=819

819-217=602

602-271=331

331-331=0

Number of subtractions is 11.

³√1331 = 11

Hope it helps! ^_

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Answer 2

Answer:

Step-by-step explanation:

Subtraction method.

If we want to find the cube root of a number, we subtract 1, 7, 19, 37, 61, 91, 127, 169, 217, 271, 331.... successively from the number until we end up with 0.

The number of subtractions gives us the cube root of the number.

Cube root of 1331

1331-1=1330

1330-7 = 1323

1323-19 = 1304

1304-37 = 1267

1267-61= 1206

1206-91=1115

1115-127=988

988-169=819

819-217=602

602-271=331

331-331=0

Number of subtractions is 11.

³√1331 = 11

Hope it helps! ^_^