How do you do an index in math?
How do you do an index in math? An index number is a number which is raised to a power. The power, also known as the index, tells you how many times you have to multiply the number by itself. For example, 25 means that you have to multiply 2 by itself five times = 2×2×2×2×2 = 32. What is 5x5 in index notation? The product 5 × 5 can be written as 52. 5 × 5 is known as the expanded form (or factor form) of 25 and 52 is known as the index form of 25. Generally when...