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Byju's Answer
Standard VII
Mathematics
Comparision of Quantities Using Exponents
The number of...
Question
The number of zeroes at the end of the sum
101
11
−
1
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Solution
101
×
101
=
10201
(
101
)
2
=
1030301
(
101
)
4
=
104060401
there is one pattern that in all the powers of
101
last three digits
M
01
where
M
is a non zero digit.
So at the end of
(
101
)
n
−
1
last three digits are
M
00
then there are
2
zeroes at the end.
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