Using the formula for squaring a binomial, evaluate the following:

${\left(703\right)}^2$

Simplify the following using the formula: $\left(a-b\right)\left(a+b\right)=a^2-b^2$

$(82{)}^2-(18{)}^2$

Simplify the following using the formula: $\left(a-b\right)\left(a+b\right)=a^2-b^2$

$(467{)}^2-(33{)}^2$

Find $(79{)}^2-(69{)}^2$ without actually finding the squares of the number.

Simplify $197\times 203$.

Simplify the following using the formula: $\left(a-b\right)\left(a+b\right)=a^2-b^2$

$113\times 87$

Simplify the following using suitable algebraic identity $95\times 105$.

Find the simplified result of $1.8\times 2.2$.

Simplify the following using the formula: $\left(a-b\right)\left(a+ b\right)=a^2-b^2$

$9.8\times 10.2$