The conversion into scientific notation and also decimals are as shown below
How to use scientific notation?
Putting the following numbers into scientific notation. Use significant figure rules.
1) 402,000,000 = 402 × 10⁶
2) 0.00515 = 515 × 10⁻⁵
3) 1000 = 10³
4) 0.990 = 99 × 10⁻²
5) 0.0000000548 = 548 × 10⁻¹⁰
6) 67,100 = 671 × 10²
7) 0.0044 = 4.4 × 10⁻⁴
8) 490,000 = 49 × 10⁴
9) 55 = 55 × 10⁰
10) 0.0001675 = 1675 × 10⁻⁷
Change the following numbers into ordinary decimals. Use significant figure rules.
11) 6.078 * 10⁹ = 6078000000
12) 9.49 * 10⁻⁴ = 0.000949
13) 2.10 * 10² = 2100
14) 1.05 * 10⁻² = 0.0105
15) 5.0 * 10⁻⁷ = 0.0000005
16) 1.02 * 10⁻¹ = 0.102
17) 4.1 * 10⁻⁶ = 0.0000041
18) 2.87 * 10³ = 2870
19) 4.0 * 10⁻⁴ = 0.0004
20) 9.72 * 10¹ = 9.72
Read more about Scientific Notations at; https://brainly.com/question/5756316
#SPJ1
