Real Number System
The set or sets to which each number belongs:
-24/6
Integer, Rational, Real
x2 ⋅ x6
x8
2x + 3 = 5
x = 1
Write this number in scientific notation:
1260000
1.26 x 106
Between which two consecutive integers does this number lie?
√39
6 and 7
The set or sets to which each number belongs:
-7.2
Rational, Real
(x3)3
x9
x/4 - 1 = 2
x = 12
Write this number in scientific notation:
0.06
6 x 10-2
Between which two consecutive integers does this number lie?
-√15
-3 and -4
The set or sets to which each number belongs:
0
Whole, Integer, Rational, Real
(x2y4)0
1
2x = 66
x = 33
Write the number in standard form:
9.59 × 102
959
x2 = √400
A rational number is always an integer. True or false?
False
(-2x2y4)3
-8x6y12
Write and solve an equation for the following scenario:
Friendship’s soccer team purchased uniforms and equipment for a total cost of $912. The equipment cost $612, and the uniforms cost $25 each. How many uniforms did the school purchase?
25x + 612 = 912
x = 12
Solve and write in scientific notation:
(4.11 × 105 )(8.65 × 10−5)
3.55515 x 101
√-4
no solution
The sets to which the number does not belong:
√64
Irrational
Is this ratio greater than, less than, or equal to 6?
(6100)/(699)
equal
Write and solve an equation for the following scenario:
You and three friends go to the town carnival. You have a coupon for $20 off that will save your group money! If the total bill to get into the carnival was $100, how much does one ticket cost?
4x - 20 = 100
x = 30
Solve and express in scientific notation:
(7.2 x 10-2) + (5.3 x 10-1)
0.602
6.02 x 10-1
x2 = √0.81
-0.9 or 0.9