Answer:
≈ 8000
Step-by-step explanation:
Step 1: Round 198
198 ≈ 200
Step 2: Round 42
42 ≈ 40
Step 3: Multiply
200(40) = 8000
Real answer is 8316.
Answer:
x=13
Step-by-step explanation:
14x-2=180
+2 +2
14x=182
/14 /14
x=13
Answer:
35%
Step-by-step explanation:
14/40 = 0.35
0.35 x 100/100 =
0.35 x 100% =
(0.35 x 100)% =
35%
Answer:
5 years
Step-by-step explanation:
(x+15)=4x
15=4x-x
15=3x
5=x
Answer:

Step-by-step explanation:
From The Question we are told that
Prob that population is colourblind 
Sample size 
Generally the equation for Number of color blinds is mathematically given by

