(WHTM) — Buying and selling in the 13 colonies was a messy process. In theory, as British subjects, the colonists should have been using the British monetary system of pounds, shillings, and pence.

We use a decimal point to separate units (ones) from parts of a whole, such as tenths, hundredths, thousandths, etc. \({0.1}\) is a tenth, \(\frac{1}{10}\), of a one ...

Researchers in Switzerland are set to break the record for the most precise value of the mathematical constant pi, after using a supercomputer to calculate the famous number to its first 62.8 trillion ...

Speaker: Where a digit sits within a number tells you its value. Its place value. If it's a unit, a ten or a hundred, the position gives the digit a different value. This flat is for sale for £147,999 ...