A jar contains identical balls numbered 1-10
One ball is drawn at random, what is the chance of the number being prime.
a) certain
b) not likely
c) even chance
100
10^4
51 000 = 5.1x
100
7
x + 2 = 9
100
$807.85
A nurse earns $42 153 pa. What is her weekly pay?
100
2^7
2^3 x 2^4=
200
b
A bag contains balls numbered 1 to 5. Which one of the following is not necessary for the selection to be random?
a) the balls are the same size
b) The balls are the same colour
c) Selection is made witout looking
d) The balls have the same mass and texture
e) The balls are made from the same material.
200
830 000
Write as a numeral- 8.3 X 10^5=
200
8.5
What is 2x - 12 = 5
x=
200
$43.50
An employee at a a Fast food outlet is paid $7.25 an hour. What is he paid for a 6 hour shift?
200
8
Write as a basic numeral-
2x2^2
300
8/10 or 4/5
A large basket of fruit contains 3 oranges, 2 apples and 5 bananas. If a piece of fruit is chosen at random, what is the probability of getting an orange or a banana?
300
60 900 000
Write as a numeral- 6.09 X 10^7=
300
3
3x = 9
300
$687.50
Jill earns $12.50 per hour and time-and-a half for overtime. How much does she earn in a week where she works 40 hours at regular time plus 10 hours overtime?
300
2^11
Simplify in simplest index form-
2^2x2^5x2^4=
400
impossible
A coin is tossed-
It lands on its side
a) certain
b)even chance
c) impossible
400
3.9003 X 10^5
Write in scientific notation- 390 030
400
9
x - 4 + 2x - 3 = 20
x=
400
$14.50
If John worked 40 hours in a week and earnt $580, how much is his hourly pay?
400
6^10x7
Simplify leaving in index form-
6x7x6^9=
500
a
Which of these numbers cannot be a probability?
a) -0.00001
b) 0.5
c) 1.001
d) 0
e) 1
f) 20%
500
6.1 X 10^-4
Write in sceinctific notation- 0.00061
500
11
4(3x-1) = 10x +18
x=
500
$565
Maryanne receives a gross weekly wage of $836 & her weekly deductions total $271. How much does she earn?