subject

Exponents and Powers

Math ⇒ Algebra

Exponents and Powers 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 Exponents and Powers. 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 11
Explain the meaning of a negative exponent.
Express 0.0001 as a power of 10.
Express 1/27 as a power of 3.
If 5x = 125, what is the value of x?
If a = 2 and b = 3, evaluate (a2b)3.
If a3 = 27, what is the value of a?
If x = 25 and y = 23, what is x/y?
If x = 2n and y = 2n+1, what is y/x?
Which law of exponents is used to simplify am × an = am+n? (1) Product Law (2) Power Law (3) Quotient Law (4) Zero Exponent Law
Which of the following is equal to 50? (1) 0 (2) 1 (3) 5 (4) Undefined
Which of the following is equivalent to (x5y2)/(x2y)? (1) x3y (2) x7y (3) x3y2 (4) x2y3
Which of the following is the correct simplification of (a3b2)0? (1) 0 (2) 1 (3) a3b2 (4) Undefined
Fill in the blank: 34 × 32 = 3____
Fill in the blank: The scientific notation for 0.00056 is ____ × 10−4.
Fill in the blank: The value of (−1)5 is _____.
Fill in the blank: The value of 10−2 is _____.
True or False: (am)n = am+n for all integers m and n.
True or False: (ab)n = anbn for all real numbers a, b and integer n.
True or False: 2n is always even for all positive integers n.
True or False: For any nonzero number a, a-n = 1/an.