What is 98 times 98?
What is 98 times 98?
Approach: Use (100 - 2)^2.
9604. 10000 - 400 + 4 = 9604.
Follow-up: What is 97 squared?
Key concepts: difference of squares.
What is 98 times 98?
Approach: Use (100 - 2)^2.
9604. 10000 - 400 + 4 = 9604.
Follow-up: What is 97 squared?
Key concepts: difference of squares.