When working with indices with the same base, there are laws you can follow to make calculations easier. Indices is the plural of index. When multiplying numbers with the same base, you add the ...

j^0\). Any number or letter divided by itself is 1. This gives \(j^2 \div j^2 = j^0\) (using index laws for division) and \(j^2 \div j^2 = 1\), which means \(j^0 = 1\).