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Byju's Answer
Standard IX
Mathematics
Laws of Exponents for Real Numbers
Find the numb...
Question
Find the number of zeros in the end in product
5
6
⋅
6
7
.7
8
⋅
8
9
…
30
31
.
A
137
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B
125
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C
147
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D
135
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Solution
The correct option is
A
137
Total no. of
5
′
s
=
Total no. of zeroes
=
6
(
5
6
)
+
11
(
10
11
)
+
T
6
(
15
16
=
15
16
)
+
21
(
20
21
)
+
52
(
25
26
)
+
31
(
30
31
)
=
137
zeroes.
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is
λ
, then find the value of
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is
Note:
[
.
]
denotes greatest integer function
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