What is 101 squared?
What is 101 squared?
Approach: Use (a + b)^2 = a^2 + 2ab + b^2.
10201. 10000 + 200 + 1 = 10201.
Follow-up: What is 102 squared?
Key concepts: algebraic expansion.
What is 101 squared?
Approach: Use (a + b)^2 = a^2 + 2ab + b^2.
10201. 10000 + 200 + 1 = 10201.
Follow-up: What is 102 squared?
Key concepts: algebraic expansion.