Module 2 Pretest Homework Packet       Answers

Module Two-Part C: Exponential Numbers and Scientific Notation 5 points

Express the following ordinary numbers in scientific notation (If greater than three significant figures, round off to three significant figures:

(1)   1,010,100,000,000, 000  = ___1.01 x 1015________

(2)   0.000 000 000 000 019   =  ___1.9 x 10-14 ________

(3)   456,789   = ___4.57 x 105________

(4)   0.0001198 = __1.20 x 10-4_______

(5)    1,000,000 = ___1 x 106______

(6)   0.000200  = ___2.00 x 10-4_______

(7) Express the following  products in exponential form

2 X 2 X 2 X 2 X 2 X 2 X 2 X 2 = ___28________

(8) and use your calculator to calculate the value:

Value = ____256____________

(9)  Express the following powers often notation:

1 x 100 = __1___          1 X 101=_10___     1 x 10-1 =  _0.1_______

(10) Express the ordinary number in scientific notation in three significant figures:

60,230,000,000,000,000,000,000 =  ___6.02 x 1022_____________

Additional Homework (not required) for your practice:

Corwin 7th edition:

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