What is 1.05 to the power of 2?
What is 1.05 to the power of 2?
Approach: Use (1 + x)^2 = 1 + 2x + x^2.
1.1025. 1 + 0.10 + 0.0025 = 1.1025.
Follow-up: Estimate 1.05 cubed.
Key concepts: algebraic expansion.
What is 1.05 to the power of 2?
Approach: Use (1 + x)^2 = 1 + 2x + x^2.
1.1025. 1 + 0.10 + 0.0025 = 1.1025.
Follow-up: Estimate 1.05 cubed.
Key concepts: algebraic expansion.