Question

what will be the units digit of the square of the following numbers ?
1.39​

Answer 1

Answer:

${(1.39)}^{2}$

$1.39 \times 1.39$

$1.9321$

So, the digit in unit place is 1

Ans. 1 is the digit in unit place.

Hope it helps.

Answer 2

$= \: \: (1.39)$

$= \: ({1.39})^{2} = 1.39 \times 1.39$

$= 1.9321$

$its \: \: unit \: \: place \: \: is \: 1$