Across
- 2. about finding the unknown
- 5. of sums expresses it as a sum of products
- 6. when the order does not matter
- 7. product of sums expresses it as a sum of products
- 8. lets you multiply a sum by multiplying each addend separately and then add the products
Down
- 1. a quantity representing the power to which a given number
- 3. is a sentence with a minimum of two numbers and at least one math
- 4. is the reverse of expanding brackets