
4 to the 3rd power, all to the 2nd power, is equivalent to 4 to the 6th power because you multiply 3 and 2 together.
4 to the 0th power is equal to 1 since anything to the 0th power is equal to 1.
Multiply those two values together:

= 4 x 4 x 4 x 4 x 4 x 4 = 4096 strawberries