The probability that your six numbers will be selected for Lotto on Monday night is 0.000 000 141 62.

Write as an ordinary decimal number - 7 4.33 x 10

Express the following Quantities as ordinary decimal numbers: -7 The wavelength of light is 9 x 10 m.

Express the following Quantities as ordinary decimal numbers: 9 The estimated world population for the year 2000 was 6.130 x 10

Express the following Quantities as ordinary decimal numbers: -5 The smallest viruses are 1 x 10 mm in size.

Bacteria are single-cell organisms, some of which have a diameter of 0.0003mm.

Write the following powers of 10 (a) 100 000 (b) 0.0001 (c) 0.1

A speck of dust is smaller than 0.001 mm.

The distance from the earth to the sun is 149 500 000 000 m.

Write as an ordinary decimal number. -4 7.8 x 10

Express the following Quantities as ordinary decimal numbers: 5 The diameter of our galaxy, the Milky Way, is 1 x 10 light-years.

Express the following Quantities as ordinary decimal numbers: -7 The mass of a bee's wing is 10 kg.

Express the following in scientific notation: (a)259 000 (b) 0.259 (c) 0.000 0407