4√400 / 4√ 5 ( both are 'fourth roots ')
= 4√ (400/5)
= 4√80
= 2.99 to nearest hundredth
Answer:
15 is right ans
Step-by-step explanation:
Answer:
48
Step-by-step explanation:
(204-x)/2=78
or, 204-x=156
or, x=204-156
or, x=48
B using more coal to make electricity