Question

1 Expand the following numbers using exponents.
(0) 36025.248
(ii) 100.205​

Answer 1

Answer:

Expanded form of 1025.63=

\begin{gathered}1\times10^{3}+0\times10^{2}\\+2\times10^{1}+5\times10^{0}+6\times 10^{-1}\\+3\times 10^{-2}\end{gathered}

1×10

3

+0×10

2

+2×10

1

+5×10

0

+6×10

−1

+3×10

−2

Explanation:

Given Decimal number 1025.63

Now,

Expansion of 1025.63

= 1000+0+20+5+0.6+0.03

= \begin{gathered}1\times10^{3}+0\times10^{2}\\+2\times10^{1}+5\times10^{0}+6\times 10^{-1}\\+3\times 10^{-2}\end{gathered}

1×10

3

+0×10

2

+2×10

1

+5×10

0

+6×10

−1

+3×10

−2