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Probability
Consumer Arithmetic
Index Laws
Algebraic Fractions
Scientific Notation
100
What is the chance of flipping heads on a coin?
1/2
100
Bill earns $8.50 an hour. How much does he earn if he works for 4 hours?
$34.00
100
3 x 3 x 3
3^3
100
Find the value of x in: 3x = 18
x = 6
100
What is 3.68 x 10^3
3680
200
A bag contains 3 red cars, 4 green cars and 5 black cars. What is the possibility of selecting at random a blue car?
0
200
What is 5% of 80?
4
200
p^5 รท p^2
p^3
200
Find the value of x in: 8x - 6 = 10
x = 2
200
Write in normal notation: 3.16 x 10^5
316000
300
A bag contains 3 red balls, 15 green balls and 7 blue balls. What is the probability of selecting a green ball?
15/25 = 3/5
300
Which is the best value for money? 500g for $2.60, 1.2kg for $6.00
1.2kg for $6.00
300
5 x a x a x b x b x b
5a^2b^3
300
Find the value of x in: 3(x + 2) = 6
x = 0
300
What is 3.9 x 10^-4
0.00039
400
How many ways can A, B, C, D be arranged?
4 x 3 x 2 x 1 = 24
400
If you invested $8000 at 10% p.a. for 3 years, how much do you earn?
$8000 x 10% x 3 = $2400
400
-5 x -5 x -5
(-5)^3
400
Find the value of x in: a/4 - a/6 = 8
a = 96
400
Write in scientific notation: 0.0000638
6.38 x 10^-5
500
What is the probability of selecting from a standard deck 2 aces?
4/52 x 3/51 = 1/221
500
A person invests $8000 per year into an account which pays 5% p.a. calculated yearly. How much will be in the account after 6 years?
$8000 x (1+5/100)^6 = $10720.77
500
What is 6m^2 x 3m^5 x 2m^7
36m^14
500
Find the value of x in: 2x-1/3 - 3x+2/4 = 1
x = -22/1
500
(3 x 10^4 ) x (2.1 x 10^5 )
6.3 x 10^9