A logarithm is the power which a certain number is raised to get another number. Before calculators and various types of complex computers were invented it was difficult for scientists and ...

An animated guide to working with fractions. Doctor Yvonne’s dating agency brings fractions together… and helps when they split up. Use to illustrate the concepts of equivalent fractions and lowest ...

convert the numbers from standard form into decimal form or ordinary numbers complete the calculation convert the answer back into standard form Calculate \((4 \times 10^9) \times (7 \times 10^{-3})\) ...