Multiplying in Scientific Notation

Multiplying in Scientific Notation:
2) What is 105 * 103 , your answer should be written as a
baseexponent
= ________
3) Use your answers to questions # 1 and 2 to determine the product of (2 * 105) * (4 * 103)
1) What is 2 * 4 ? = ______
4) Make a rule that for multiplying numbers in scientific notation, get your rule checked by Mr
Laurence before you proceed.
Multiply the following numbers in scientific notation, be sure your answers are written in scientific
notation. SHOW ALL WORK!!! Then Convert your answer to standard notation.
5) (3 * 101) * (3 * 105)
6) (4 * 105) * (5 * 106)
7) (6 * 103) * (7 * 102)
8) (1.21 * 108) * (2.22 * 101)
9) (8.1 * 107) * (5.2 * 108)
10) (6.3 * 105) * (4.6 * 102)
11) (7.1 * 10–5) * (2 * 108)
14) (6.3 * 102) * (2.1 * 10–5)
12) (3.45 * 109) * (3.11 * 10– 6)
13) (5.24 * 10-8) * (4.35 * 10-4)
15) (3.1 * 10– 2) * (4.2 * 10– 5)
KEY
1) 8
2) 108
3) 8.0 * 108
4) see Mr Laurence
5) 9 * 106 = 9,000,000
6) 2.0 * 1012 = 2,000,000,000,000
7) 4.2 * 106 = 7,200,000
8) 2.6862 * 109 = 2,686,200,000
9) 4.212 * 1016 = 42,120,000,000,000,000
10) 2.898 * 108 = 2,898,000,000
11) 1.42 * 104 = 14,200
12) 1.0885 * 104 = 10,885
13) 2.2794 * 10 – 11 0.000000000022794
14) 1.323 * 10– 2 = 0.01323
15) 1.302 * 10–6 = 0.000001302