Question

The ones digit in the square of 77 is

Answer 1

Answer:

9

Step-by-step explanation:

7*7=49

ones place =9

77*77=5929

ones place =9

Answer 2

The ones digit in the square of 77=9

Step-by-step explanation:

Given number:77

Unit digit of 77 is 7

We know that

$7^1=7$

Unit digit=7

$7^2=49$

Unit digit of 49=9

$(77)^2=5929$

The unit digit of square of number of 77=9

Hence, the ones digit in the square of 77=9

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