Question

Write the number in words and in expanded form in Indian System of Numeration:

$98978654$

Answer 1

Step 1: Write the number in words

Given number, $98978654$

$$\begin{gathered} \mathrm{C}\mathrm{TL}\mathrm{L}\mathrm{TTh}\mathrm{Th}\mathrm{H}\mathrm{T}\hspace{0.17em}\mathrm{O} \\ 98978654 \end{gathered}$$

Hence, the given number is nine crore eighty-nine lac seventy-eight thousand six hundred fifty four.

Step 2: Write the number in expanded form

$$\begin{gathered} \mathrm{C}\mathrm{TL}\mathrm{L}\mathrm{TTh}\mathrm{Th}\mathrm{H}\mathrm{T}\hspace{0.17em}\mathrm{O} \\ 98978654 \\ \Rightarrow 9\times 10000000+8\times 1000000+9\times 100000+7\times 10000+8\times 1000+6\times 100+5\times 10+4 \\ =90000000+8000000+900000+70000+8000+600+50+4 \end{gathered}$$

Hence, the given number in words is nine crore eighty-nine lac seventy-eight thousand six hundred fifty four

and expanded form of the given number is $90000000+8000000+900000+70000+8000+600+50+4$.