subject

Powers and Exponents

Math ⇒ Number and Operations

Powers and Exponents starts at 6 and continues till grade 12. QuestionsToday has an evolving set of questions to continuously challenge students so that their knowledge grows in Powers and Exponents. How you perform is determined by your score and the time you take. When you play a quiz, your answers are evaluated in concept instead of actual words and definitions used.
See sample questions for grade 9
If a = 3 and b = 2, what is the value of (a2 × b3)?
If x = 2, what is the value of x4 + x2?
Simplify: (23 × 24) ÷ 22
Simplify: (32 × 23)
Simplify: (43 ÷ 23)
If a = 3 and b = 2, what is the value of (a2 × b3)?
If x = 2, what is the value of x4 + x2?
Given the context: In a certain bacteria culture, the number of bacteria doubles every hour. If the initial number of bacteria is N, express the number of bacteria after t hours using exponents.
Which of the following is equal to (23)4? (1) 27 (2) 212 (3) 84 (4) 21
Which of the following is equal to (a3 ÷ a5)? (1) a2 (2) a-2 (3) a8 (4) a-8
Which of the following is equal to (x2y)3? (1) x5y3 (2) x6y3 (3) x2y6 (4) x3y2
Which of the following is equal to 50? (1) 0 (2) 1 (3) 5 (4) Undefined
Fill in the blank: (am)n = a______
Fill in the blank: 103 = _______
Fill in the blank: 2n × 23 = 2______
Fill in the blank: 71 = _______
True or False: (am)n = am+n
True or False: (ab)n = an + bn
True or False: 00 is defined as 1.
True or False: am ÷ an = am-n