Читать книгу Foundations of Chemistry - Philippa B. Cranwell - Страница 24

1 Move the decimal point to the right by the number of spaces indicated by the exponent, i.e. by 2. 7.01 becomes 701.

2 Move the decimal point to the right by the number of spaces indicated by the exponent, i.e. by 5. 6.912 × 105 becomes 691 200.

3 Move the decimal point to the left by the number of spaces indicated by the exponent, i.e. by 1 space. 8.05 × 10−1 becomes 0.805.

4 Move the decimal point to the left by the number of spaces indicated by the exponent, i.e. by 4 spaces. 2.310 × 10−4 becomes 0.0002310.