First you raise the expressions in the parentheses to their powers. Then multiply the two expressions together. You get to see multiplying exponents (raising a power to a power) and adding exponents (multiplying same bases).

4 0

3 years ago

At a store, notebooks are on sale for 78% off the regular price. The cost of a notebook

NARA [144]

Answer: C. n-0.78n

n−0.78n

=n+−0.78n

=(n+−0.78n)

=0.22n

4 0

3 years ago

A bag contains white marbles and green marbles, 108 in total. The number of white marbles is 6 more than 5

sweet-ann [11.9K]

27.6

108/5= 21.6+6= 27.6

3 0

3 years ago

500m:2km in it's lowest form​

500m:2km in it's lowest form