Answer:
D
Step-by-step explanation:
the ratio is 4:1 on children to childcare workers not the other way around
42 _________________________
Get it into normal #s
360•10^3 = 360000
1.8•10^-5 = .000018
Divide Get back to scientific notation
360000/.000018 = 20000000000 = <u>2•10^10</u>
Answer: -13
Step-by-step explanation:
= 4*(1/4) - 8(2-1/4)
= 1-8(7/4)
= 1-14
= -13