Name:_____________                        Large Numbers Worksheet       © mathkinz

Date:______________

Score:______________

 

Express following numbers into scientific notations

Q.1   23,000.0 = 2.3 x 104 Q.2   910,000,000.0 = 9.1 x 108
Q.3   10,000,000.0 = 1.0 x 107 Q.4   8,000,000.0 = 8.0 x 106

Express following scientific notations into numbers

Q.5   1.9 x 106 = 1,900,000 Q.6   1.2 x 102 = 120
Q.7   1.7 x 100 = 1.7 Q.8   7.7 x 107 = 77,000,000

Multiply big numbers

Q.9   (1.2 x 106) x (1.2 x 106) = 1.44 x 1012 Q.10   15,000 x 10,000 = 1.5 x 108
Q.11   100,000 x 1,000,000 = 1.0 x 1011 Q.12   1,000 x 1,000,000 = 1.0 x 109

Divide big numbers

Q.13   (1.44 x 106) / (1.2 x 102) = 1.2 x 104 Q.14   15,000 / 10,000 = 1.5
Q.15   100,000 / 1,000,000 = 1.0 x 10−1 Q.16   100,000,000 / 1,000,000 = 100

Add subtract big numbers

Q.17   (1.44 x 106) + (1.2 x 102) = 1,440,120 Q.18   15,000 + 10,000 = 25,000
Q.19   100,000 - 1,000,000 = −900,000 Q.20   100,000,000 - 1,000,000 = 99,000,000