An
exponent indicates how many times a
base value is to be multiplied by itself.
An exponent is sometimes referred to as a
power or an
index.
5 to a power of 4 means to multiply 5 by itself 4 times.
4 to a power of 5 means to multiply 4 by itself 5 times.
45 = 4 × 4 × 4 × 4 × 4 = 1,024
ORDER OF OPERATIONS
Parentheses/Brackets - from the inside out
Exponents - powers/roots
Multiplication/Divison - from left to right
Addition/Subtraction - from left to right
40 + (66 ÷ 6) × 10 | = | 40 + 11 × 10 |
| = | 40 + 110 |
| = | 150 |
15 - [(5 + 5) × 3] ÷ 6 | = | 15 - [10 × 3] ÷ 6 |
| = | 15 - 30 ÷ 6 |
| = | 15 - 5 |
| = | 10 |