Index laws
Simplify m2 x m4 x m5
m11
Simplify −3×(−2)3+4
28
There a ______ seconds in 4 hours and 53 minutes
17 580
What is 63% of 250
157.5
What is the definition of an irrational number?
An irrational number is a number that cannot be expressed as a fraction.
Simplify p12 ÷ p10 ÷ p-3
p5
Simplify 15÷(−1)3×2
-30
The are 30 600 seconds is ________ hours
8.5
Mark up $36 by 22%
$43.92
What are the characteristics of an irrational number?
1. Cannot be written as a fraction
2. Non-recurring
3. Does not terminate
Simplify (g4)-3
g-12
Simplify (6−42)×(−2)
20
What does GMT mean and where does it originate?
Greenwich Mean Time is the mean solar time at the Royal Observatory in Greenwich, London
Discount $98 by 33%
$65.66
Write 5 non-examples of an irrational number
Answers will vary
Simplify a2 x a x a-5
a-2
Simplify −4×(2−(−6)÷6)
-12
If Brisbane is 10 hours ahead of Paris, what time is it in Paris if it is 2am in Brisbane
4pm
Shipshape stores were having a sale and reducing all items by 20%. Gerry purchased the following items, which still had their original price tags: jeans $75, long-sleeved shirt $94, T-shirt $38 and shoes $125. What was Gerry’s total bill at the sale?
$265.60
Write 5 examples of an irrational number
Answers will vary
n2
Simplify ((−2)+1)×(8−(−3))
-11
If I travel from London to Canada it will take me 11 hours and 45 minutes. If Canada is 6 hours behind London, what is the time when I arrive if I depart at 5am?
10:45am
At the end of the winter season an outdoors store had a 20% discount on all items in the store. Two weeks later they were still heavily overstocked with ski gear and so they advertised a further 40% off already discounted items. Calculate the new selling price of a pair of ski goggles with a RRP of $175.00.
$84
Irrational because the square root of any prime number is an irrational number.