Write in an expanded form? Place commas correctly for each of the numbers. (a)

Question

Write in an expanded form? Place commas correctly for each of the numbers.
(a) 74836
(b) 574021
(c) 8907010
(d) 99999999
(e) 100001
(f) 545
[3 MARKS]

Answer:
:
(a) 74,836 = 7

\times

10000 + 4

\times

1000 + 8

\times

100 + 3

\times

10+ 6

\times

1
(b) 5,74,021 = 5

\times

100000 + 7

\times

10000 + 4

\times

1000 + 2

\times

10 + 1

\times

1
(c) 89,07,010 = 8

\times

1000000 + 9

\times

100000 + 7

\times

1000 + 10

\times

1
(d) 9,99,99,999 = 9

\times

10000000 + 9

\times

1000000 + 9

\times

100000 + 9

\times

10000 + 9

\times

1000 + 9

\times

100 + 9

\times

10 + 9

\times

1
(e) 1,00,001 = 1

\times

100000 + 0

\times

10000 + 0

\times

1000 + 0

\times

100 + 0

\times

10+1

\times

1
(f) 545 = 5

\times

100 + 4

\times

10 + 5

\times

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