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

Adding larger numbers in your head is not always easy. If you need to use pen and paper, then the column method is a good way to add. It involves writing one number beneath the other, so that the ...

It’s the rare child who’ll choose an afternoon of math homework over a family vacation. That’s partly because of the negative way that we talk about and teach math, says Chris Emdin, a professor of ...