Question

- The unit digit of the expression
(125) ^813 x 553 ^3703 x 4532 ^828 is
(a) 4
(b) 2
(c) o
(d) 5​

Answer 1

Step-by-step explanation:

I don't know the answer the question is not clear

Answer 2

Option 'c' is correct.

Step-by-step explanation:

Since we have given that

$125^{813}\times 553^{3703}\times 4532^{828}$

So, we first need to check the divisibility by 4:

Remainder when divide 813 by 4 = 1

Remainder when divide 3703 by 4 = 3

Remainder when divide 828 by 4 = 0 ie. 4

So, it becomes,

$(125)^1\times 553^3\times 4532^4\\\\=5\times 7\times 6\\\\=0$

Hence, option 'c' is correct.

# learn more:

Expression

The unit digit of the

125813 x 5533703 X 4532 828 is

(a) 4 (b) 2 (c) 0

(d) 5​

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