Indices
What are indices in maths? An index, or power, is the small floating number that appears after a number or letter. Indices show how many times a number or letter has been multiplied by itself. Maths. Number. Link to article
What are the rules around them? Indices are used to show numbers that have been multiplied by themselves. They can also be used to represent roots, such as the square root, and some fractions. The laws of indices enable expressions involving powers to be manipulated more efficiently than writing them out in full. Link to article
What happens to positive and negative numbers? If the first number is negative and the indices is an even number, the final product will always be a positive number. If the first number is negative and the indices is an odd number, the final product will always be a negative number. Link to article
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