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Find cube root of 857375 with …

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Find cube root of 857375 with estimation method
  • 1 answers

Yogita Ingle 5 years, 6 months ago

the cube root of a perfect cube ending with 5 will have 5 in units

857375 will have 5 in units place.

Moving to the second step,
which says that it should lie between cubes of two consecutive number and the tens digit should be counted while considering the smaller cube
93=729 < 875 < 103 = 1000

we have 857.
it lies between the cube of 9 and 10

therefore,
the tens digit will be 9

therefore,

cube root of 857375= 95

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