find the cube root of 0.002744 by prime factorisation method
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0.002744
=
2744
1000000
=
2744
100
×
100
×
100
∴
2744
100
×
100
×
100
3
=
2744
3
100
=
2
×
2
×
2
×
7
×
7
×
7
3
100
=
2
×
7
100
=
0.14
Hence,
0.002744
3
=
0.14
.
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