Write the following numbers in their expanded form: i) 30.807 ii) 96

1.	Write the following numbers in their expanded form: i) 30.807 ii) 968.038 iii) 8370. 705
Answer» i) 30.807 = 10 x 3 + 1 x 0 + 1/10 x 8 + 1/100 x 0 + 1/1000 x 7 = 30 + 8/10 + 7/1000 ii) 968.038 = 100 x 9 + 10 x 6 + 1 x 8 + 1/10 x 0 + 1/100 x 3 + 1/1000 x 8 = 900 + 60 + 8 + 3/100 + 8/1000 iii) 8370.705 = 1000 x 8 + 100 x 3 + 10 x 7 + 1/10 x 7 + 1/1000 x 5 = 8000 + 300 + 70 + 7/10 + 5/1000

Write the following numbers in their expanded form: i) 30.807 ii) 968.038 iii) 8370. 705

Answer»

i) 30.807

= 10 x 3 + 1 x 0 + 1/10 x 8 + 1/100 x 0 + 1/1000 x 7

= 30 + 8/10 + 7/1000

ii) 968.038

= 100 x 9 + 10 x 6 + 1 x 8 + 1/10 x 0 + 1/100 x 3 + 1/1000 x 8

= 900 + 60 + 8 + 3/100 + 8/1000

iii) 8370.705

= 1000 x 8 + 100 x 3 + 10 x 7 + 1/10 x 7 + 1/1000 x 5

= 8000 + 300 + 70 + 7/10 + 5/1000