What is the value of 15²?
Correct answer: A. 225
15² means 15 × 15 = 225. A quick shortcut for squaring numbers ending in 5: multiply the first digit by the next number (1 × 2 = 2), then write 25 after it, giving 225.
easy
Answer and explanation
The correct answer is A. 225
15² means 15 × 15 = 225. A quick shortcut for squaring numbers ending in 5: multiply the first digit by the next number (1 × 2 = 2), then write 25 after it, giving 225.
Topic: Basic Arithmetic and Algebra MCQs · Subject: Mathematics