Solve 40*98

$$40 \times 98$$

Evaluate

$$3920$$

Steps For Long Multiplication

First line up the numbers vertically and match the places from the right like this.

$$\begin{array}{c}\phantom{\times99}40\\\underline{\times\phantom{99}98}\\\end{array}$$

Now multiply the first number with the 1^{st} digit in 2^{nd} number to get intermediate results. That is Multiply 40 with 8. Write the result 320 at the end leaving 0 spaces to the right like this.

$$\begin{array}{c}\phantom{\times99}40\\\underline{\times\phantom{99}98}\\\phantom{\times9}320\\\end{array}$$

Now multiply the first number with the 2^{nd} digit in 2^{nd} number to get intermediate results. That is Multiply 40 with 9. Write the result 360 at the end leaving 1 spaces to the right like this.

$$\begin{array}{c}\phantom{\times99}40\\\underline{\times\phantom{99}98}\\\phantom{\times9}320\\\underline{\phantom{\times}360\phantom{9}}\\\end{array}$$

Now add the intermediate results to get final answer.

$$\begin{array}{c}\phantom{\times99}40\\\underline{\times\phantom{99}98}\\\phantom{\times9}320\\\underline{\phantom{\times}360\phantom{9}}\\\phantom{\times}3920\end{array}$$

Factor

$$2^{4}\times 5\times 7^{2}$$