Answer:
Step-by-step explanation:
Given the expression , to evaluate this, we will use one of the law of indices as shown;
Mario's error was that she did not raise the value of 4 to the power of -3. She only raised z^8 to the power of -3 when it is supposed to affect both 4 and z^8
As,
=0.301029+0.845098+1.13943
=2.26007
=2.260(approximate)
I do not know
explain it more
He runs 2.5 meters per second
all you do is divide 75/30 and the answer is 2.5.