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AQA GCSE · Question 01.2 · Number
Work out the value of 3³
Work out the value of 3³
How to approach this question
The expression 3³ means 3 raised to the power of 3. This is calculated as 3 × 3 × 3. First, calculate 3 × 3 = 9. Then, multiply the result by 3: 9 × 3 = 27.
Full Answer
27
The notation 3³ is read as "3 cubed" or "3 to the power of 3". It means you multiply the base number (3) by itself the number of times indicated by the exponent (3). So, the calculation is 3 × 3 × 3.
Step 1: 3 × 3 = 9
Step 2: 9 × 3 = 27
Therefore, the value of 3³ is 27.
Common mistakes
✗ A common mistake is to calculate 3 × 3 = 9. This is 3 squared, not 3 cubed.\n✗ Another common error is to multiply the base by the exponent: 3 × 3 = 9. This is incorrect.
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