Rational
Irrational
Squares
Cubes
Exponents
100
Is 12.3 rational ? Why?
Yes, it is. because it can be written as a fraction.
100
Is irrational number a real number?
Yes.
100
What is √-25 =
5
-5
8
not possible
not possible.
100
. ∛512
8
12
171
256
8
100
What is 3⁻⁴
-34
34
1 ⁄ 12
1/34
1/34
200
Is Rational number a perfect square number? Give 2 examples.
Yes, any 2 perfect square roots.
200
Give one example of non-terminating , non-repeating decimal .
3.142123657890.............
200
a x a = 225 , what is a?
15
200
What is 43 ?
64
200
8⁷ ⁄ 8²
8⁵
8⁹
8¹⁴
1⁵
85
300
Is a rational Number a real number?
Yes.
300
What is the greatest known irrational number?
pi = 3.14
300
What is square root of 289?
17
300
Which of the following is true about the number 1000?
Its cube root is 10
Its a perfect square
Its square root is 10
All of them are true
cube root of 10.
300
According to exponent rules, when we raise the power to a power we _______ the exponents.
add
subtract
multiply
divide
multiply
400
What is 23.45 rational ? What type of decimal is it?
Yes, it is a terminating decimal .
400
Give one fact of irrational number.
It is a non-perfect square root.
It is a real number.
It has a non terminating , non repeating decimal .
It cannot be written as a fraction.
400
The √20 is between which two integers?
4 and 5
400
What -∛125
-3
-5
-9
-5
400
What is (2⁸)² ?
216
500
What is 0.121212...... in fraction ?
0.121212 = 12/99
500
Ms W wrote four irrational numbers on the board and asked Jordan to choose the irrational numbers .Which irrational number should Jordon choose?
√8
√16
√13
√100
√8
√13
500
Is 65 a perfect square or a non-perfect square?
non-perfect sqaure.
500
Which of the following is a perfect cube
2 , 8, 6, 12..
8
500
Simplify the exponential expression:
10x-2
2x2
2x12
10x12
2x2