1.Write 68,000 in scientific notation. (answer space)
2.Write 6.8 × 105 as an ordinary number. (answer space)
3.Write 6.9 × 104 as an ordinary number. (answer space)
4.Write 7.6 × 103 as an ordinary number. (answer space)
5.Write 8,600 in scientific notation. (answer space)
6.Write 890 in scientific notation. (answer space)
7.Write 7,400 in scientific notation. (answer space)
8.Write 5,300,000 in scientific notation. (answer space)
9.Write 2.9 × 105 as an ordinary number. (answer space)
10.Write 9,100,000 in scientific notation. (answer space)
11.Write 78,000 in scientific notation. (answer space)
12.Write 1.1 × 104 as an ordinary number. (answer space)