Show:
probability
scientific Notation
Index laws
Equations & inequalities
algebraic fractions
100
what is the chance of the sun rising tomorrow?
What is 100% or 1
100
what is 3.9 x 10^2
What is 390
100
3x X 3x X 3x X 3x X 3x = what?
What is 3x^5
100
solve- x+ 3 = 7
What is x = 4
100
simplify- a/3 - 1/18
What is 6a - 1/18
200
If the weather forecaster says there is an 80% chance of rain tomorrow, what is the probability that it will not rain?
What is 20%
200
what is 3.4 x 10^-3
What is 0.0034
200
expand: 7y^7
What is 7y x 7y x 7y x 7y x 7y x 7y x 7y
200
solve- x/3 = -5
What is x = -15
200
simplify- 9/x + 5/x^2
What is 9x + 5/ x^2
300
what does one mean in probability terms?
What is certain
300
write 3450000 in scientific notation
What is 3.45 x 10^6
300
What is (-1/2)^2
What is -1/2 x -1/2
300
solve- 11x - 90 = x
What is x = 9
300
simplify- 5m/n ÷ n/2m
What is 10m^2/n^2
400
If the probability of an event is 1/5, how many times would we expect the event to occur over 200 trials?
What is 40
400
which is the largest? a) 3.44 x 10^3 b) 4.56 x 10^2 c) 5.607 x 10^-2
What is (b)
400
10^6 x 10^4 x 10^8 x 10^7= which equals what?
What is 10^25
400
solve- 4(a + 3) = 3(a + 2)
What is a = -6
400
simplify- 12m/n x 2n/6m
What is 2m/2n
500
In a class of 30 students, everyone does either History or Geography (not both). Of the 18 boys, 12 do Geography, and of the girls, half do History. A student is chosen at random. What is the probability that the student is: a boy doing history.
What is 1/5
500
what is 0.00000000000000005674 in scientific notation
What is 5.674 x 10^-18
500
x^15|y^7 ÷ x^12|y^5= which equals what?
What is x^7|y^2
500
solve- p+3/2 + p+5/3 =6
What is p=3 2/5
500
simplify- 8m-2m/3a-a x 13a+3a/10m+2m
What is 2m/8a