Expression - powers
Find the value of the expression: (27-1) · 93
Correct answer:

You need to know the following knowledge to solve this word math problem:
Related math problems and questions:
- Expression: 2251
Find the value of the expression: (12 - [- 3]) · (44:11)
- Equation 23
Find the value of unknown x in the equation: x+3/x+1=5 (problem finding x)
- Given
Given 2x =0.125, find the value of x
- The scores
The scores of 10 learners in a test arranged in ascending order are 12, 13, 13, a, (a + 3), (52 - 2a), (2a - 8), 23, 23, and 24. If the median mark is 20, find (a) value of a. (b) mean