Question

solve this for me
$\sqrt{1989 \div 1989 \times 1 + 1 \times 1}$
​

Answer 1

Answer:

$\large\tt\sqrt{2}$

$\begin{gathered} \: \end{gathered}$

Explanation:

$\large\tt\sqrt{ 1989 \div 1989 \times 1+1 \times 1 }$

• Divide 1989 by 1989 to get 1

$\large\tt\sqrt{1\times 1+1\times 1}$

• Multiply 1 and 1 to get 1. Multiply 1 and 1 to get 1.

$\large\tt\sqrt{1+1}$

• And add 1 and 1 to get 2.

$\large\tt\sqrt{2}$

$\begin{gathered} \: \end{gathered}$

Answer 2

$\rm \color{teal} = \sqrt{2} \\ \\ \color{teal} \tt \: in \: \: alternate \: \: form \\ \\ \rm\color{teal} \: = 1.41421$

Step-by-step explanation:

$\bold \color{navy} \sqrt{1989 \div 1389 \times 1 + 1 \times 1}$

• any expression multiplied by 1 remains the same

$\rm \color{red} \sqrt{1 + 1}$

• add numbers

$\bold \color{teal} \sqrt{2}$

$\rm \color{red} in \: \: alternate \: \: form \\ \\ \tt \color{pink} = 1.41421$

hope it helps