Posted by **SAMHAM** on Thursday, January 31, 2013 at 2:57pm.

1. Which of the following expressions is written in scientific notation?

1. 73.4 x 105

2. 0.09 × 107

3. 80 x 103

4. 4.22 x 10–3

2. Which of the following is 0.0000000708 written in scientific notation?

1. 7.08 x 10–8

2. 7.8 x 10–8

3. 708 x 10–10

4. 70.08 x 10–9

3. Which expression represents the largest number?

1. 40.1 x 10–6

2. 4.1 x 10–7

3. 0.411 x 10–7

4. 0.04001 x 10–5

4. Which expression is equal to 1/8000 written in scientific notation?

1. 8.0 x 103

2. 1.25 x 10–4

3. 125 x 10–5

4. 1.25 x 104

- Math PLZ HELP -
**Steve**, Thursday, January 31, 2013 at 3:06pm
if you know anything about scientific notation, #1,2 should be easy.

For #3, convert all to same power of 10, then it is easy to compare.

#4: 1/8000 = .000125

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