What is 102 times 98?
What is 102 times 98?
Approach: Use (100 + 2)(100 - 2).
9996. 10000 - 4 = 9996.
Follow-up: What is 103 * 97?
Key concepts: difference of squares.
What is 102 times 98?
Approach: Use (100 + 2)(100 - 2).
9996. 10000 - 4 = 9996.
Follow-up: What is 103 * 97?
Key concepts: difference of squares.