ANSWER: 1.8 = 18/10 which is also equal to 4/5
How to convert it:
Multiply both top and bottom by 10:
1 × 10 = 10
1.8 × 10 = 18
To simply it:
18 ÷ 2 = 9
10 ÷ 2 = 5
As an improper fraction, that could also be expressed as: 4/5
I hope this helped! c:
Answer:
The Z score of the person is -3.09.
Step-by-step explanation:
The standard normal deviate (Z) for a normal distribution is given by

where,
X = the value of observation
is mean of the observations and
σ = standard deviation of the score
Applying values we get

Answer:
1511
____
2000
Step-by-step explanation:
So, to find the number of seats already replaced:
5 x 236 = 1180
1 x 348 = 348
1190 + 348 = 1528
So 1528 seats have been replaced.
3000 - 1528 = 1472
And 1472 seats still need to be replaced.
Find a common denominator for 2,4,8. Which is 8. Change the fractions to new ones.
1) 19 4/8= 156/8 Then add the second. 2) 7 5/8= 61/8 one and the third
3) 5 6/8= 46/8 one. Which is
15/8. Then, subtract your answer and the first one. You get 141. Simplify. 17 5/8