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Modular Arithmetic
easy
0:00.0
Determine the value of
x
x
x
such that
x
≡
7
2
(
m
o
d
10
)
x \equiv 7^2 \pmod{10}
x
≡
7
2
(
mod
10
)
.
A
9
9
9
B
4
4
4
C
1
1
1
D
7
7
7
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