4. In which expression should the exponents be multiplied? (4 points)

(53)−4

one third to the 4th times one third to the 7th

45 ⋅ 42

3 to the 7th over 3 to the 15th

This is so hard and it’s for a test

Kayla and alberto are selling fruit for a school fundraiser. customers can buy small boxes of grapefruit and large boxes of grapefruit. kayla sold 3 small boxes of grapefruit and 1 large box of grapefruit for a total of $65. alberto sold 1 small box of grapefruit and 1 large box of grapefruit for a total of $55. what is the cost each of one small box of grapefruit and one large box of grapefruit?

Anyone know these questions? i need ,.