Sets
What is any well-defined collection or group of objects?
Set
What is a whole-valued positive or negative number or 0?
Integer
What is 2/5 in decimal form?
0.4
What can be expressed in the form 𝑎/𝑏 , where 𝑎 and 𝑏 are integers and 𝑏 is not equal to 0?
What is the standard notation of 2.3×105?
230,000
Which of the following are equivalent sets?
A. M={red, yellow, blue} and J = {Peppa, Doraemon, Stitch}
B. M={Samsung, Vivo, Iphone, Oppo, Redmi} and L = {1, 2, 3, 4}
C. T={20, 40, 60, 80} and C = {Monday, Wednesday, Thursday}
D. E={b, u, t, e, r, f, l, y} and G = { 1, 3, 5, 7, 9, 11}
A.
What is the sum of (−30) and (−2)?
(−32)
What is the sum of 5/7 and 1/5
32/35
What is the principal root of √196
14
What is the standard notation of 9.354×10-9?
0.000000009354
Which of the following are equal sets?
A. T={a, b, c} and B = {d, e, f}
B. A={b, l, u, p, t} and X = {a, d, v, b, f}
C. M={4, 5, 7, 8} and T = {8, 7, 5, 4}
D. H={Mon, Tue} and {1, 2, 3}
(−5) + (17) – (52) = ?
(−40)
36/35 ÷ 9/7 = ?
4/5
Where does the √70 lies?
between 8 and 9
What is 0.00000000000000102 in scientific notation?
1.02×10-15
What is the cardinality of set L = {6, 12, 18, 24, 30, 36}?
6
(− 169)÷(13)×(− 6)=?
78
5.6 + 23.5 × 1.2 = ?
34.92
Write in ascending order:
1/3, -2.5, 6, -√64
-√64, -2.5, 1/3, 6
What is 3,650,000,000,000,000,000,000 in scientific notation?
3.65×1021
Let A = {6, 7, 8, 9, 10} B = {8, 9, 10, 11, 12}
Question: What is A∪B?
A∪B = {6, 7, 8, 9, 10, 11, 12}
A submarine was situated 450 feet below sea level. If it descends 300 feet, what is its new position?
−750 or 750 ft below sea level
Lorie has a whole egg pie. She divided it by 10 then give 1 each to her 4 siblings. How much is left in the egg pie?
6/10 egg pie or 6 slices of egg pie
Write in descending order:
√25, 90/5, -100, 13.65
90/5, 13.65, √25, -100
Tower A has a height of 1.7×102 feet while tower B is 2.1×102 feet tall. Together, how tall are they?
3.8×102 feet tall or 380 feet tall