Hey there!
5 * 52
= 52 * 5
= 52 + 52 + 52 + 52 + 52
= 104 + 104 + 52
= 208 + 52
= 260
Possible answer #1: 260
OR
5 * 5^2
= 5 * (5 * 5)
= 5 * 5 * 5
= 25 * 5
= 125
Possible answer #2: 125
Good luck on your assignment and enjoy your day!
~Amphitrite1040:)