Processing Math: Done

From Förberedande kurs i matematik 1

The partial expression 223 should be interpreted as 2 raised to the 23, and because 23=222=8, thus 223=28.

In order to calculate the next part of the expression, (−2)−4, it can be useful to do it a step at a time

(−2)−4=1(−2)4=1((−1)2)4=1(−1)424=1124=124=2−4.

Thus,

223(−2)−4=282−4=28−4=24=16.