Simplify expressions with rational exponents
Evaluate a numeric expression with a rational exponent, e.g. 27^(2/3). Unlimited questions, five difficulty levels, and a full worked solution every time — free.
Try one
Evaluate the expression.
912
Answer: 3
See one solved, step by step
Evaluate the expression.
412
📘 Worked solution
1412A rational exponent p/q means: take the square root (the denominator), then raise the result to the power 1 (the numerator).
2√(4) = 22^2 = 4, so 2 is the square root of 4.
321 = 2Raise the root to the power 1.
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