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Write the following powers of 10
(a) 100 000 (b) 0.0001 (c) 0.1
(a) 5 (b) -4 (c) -1
10 10 10
Express the following in scientific notation:
(a)259 000 (b) 0.259 (c) 0.000 0407
5 -1 -5
(a) 2.59 x 10 (b) 2.59 x 10 (c) 4.07 x 10
The central temperature of the sun is 15 million degrees Celsius.
7
1.5 x 10 degree Celsius
The distance from the earth to the sun is 149 500 000 000 m.
11
1.495 x 10 m
Bacteria are single-cell organisms, some of which have a diameter of 0.0003mm.
-4
3 x 10
A speck of dust is smaller than 0.001 mm.
-3
1 x 10 mm
The probability that your six numbers will be selected for Lotto on Monday night is
0.000 000 141 62.
-7
1.4162 x 10
Write as an ordinary decimal number -
7
4.33 x 10
43 300 000
Write as an ordinary decimal number.
-4
7.8 x 10
0.000 78
Express the following Quantities as ordinary decimal numbers:
-7
The wavelength of light is 9 x 10 m.
0.000 000 9 m
Express the following Quantities as ordinary decimal numbers:
9
The estimated world population for the year 2000 was 6.130 x 10
6 130 000 000 people
Express the following Quantities as ordinary decimal numbers:
5
The diameter of our galaxy, the Milky Way, is 1 x 10 light-years.
100 000 light years
Express the following Quantities as ordinary decimal numbers:
-5
The smallest viruses are 1 x 10 mm in size.
0.000 01 mm
Express the following Quantities as ordinary decimal numbers:
-7
The mass of a bee's wing is 10 kg.
0.000 000 1 kg
