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Byju's Answer
Standard VIII
Mathematics
Cube Root Using Prime Factorisation
Write the fol...
Question
Write the following in words.
(1)
-
512
3
=
-
8
(2)
1
3
=
1
(3)
729
3
=
9
(4)
-
729
3
=
-
9
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Solution
(1)
-
512
3
=
-
8
can be written in words as “the cube root of −512 is −8”.
(2)
1
3
=
1
can be written in words as “the cube root of 1 is 1”.
(3)
729
3
=
9
can be written in words as “the cube root of 729 is 9”.
(4)
-
729
3
=
-
9
can be written in words as “the cube root of −729 is −9”.
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Similar questions
Q.
If
729
3
= 9 then
0
.
000729
3
= ?
Q.
Evaluate:
64
×
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3
Q.
Find the cube roots of the following numbers.
(1)
8000
(2)
729
(3)
343
(4)
−
512
(5)
−
2744
(6)
32768
Q.
Show that:
(i)
27
3
×
64
3
=
27
×
64
3
(ii)
64
×
729
3
=
64
3
×
729
3
(iv)
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125
×
216
3
=
-
125
3
×
216
3
(v)
-
125
-
1000
3
=
-
125
3
×
-
1000
3
Q.
Evaluate:
729
3