Answer:
see explanation
Step-by-step explanation:
(a)
← divide numerator and denominator by 4
=
= 0.8
(b)
→ divide numerator and denominator by 5
=
= 0.7
(c)
← divide numerator and denominator by 4
=
= 1.5
<span>(B)rational
if there were no discernible pattern in the digits, then it would be irrational</span>
Step-by-step explanation:
Divide 24 by 4. So, 18 hours. Therefore a light bulb consumes 6840 Watt hours in 4 days and 18 hours.
Answer:

Step-by-step explanation:
Given

Required
Find 

Express 32 as an exponent

By comparison:


So:

This problem is fairly simple if you know the exponential equation, you start with y=78(.17)^x. the you put 10=78(.17)^x, then you solve for x
10=78(.17)^x
-78
-68=.17^x
divide .17 then you have your answer!!