2^5
Step-by-step explanation:
5^2 = 5 * 5 = 25
2^5 = 2 * 2 * 2 * 2 * 2 = 32
1^10 = 1 * 1 * 1 * 1 * 1 * 1 * 1 * 1 * 1 * 1 = 1
3^3 = 3 * 3 * 3 = 27
32 > 27 > 25 > 1
2^5 has the greatest value since it equals 32