Welcome to your Grade 10 Mathematics chapter 3
After carefully reading the following 30 questions, choose the correct answer.
1.
According to the law of multiplication of powers of the same base, am×an equals:
2.
What is the value of a0 for any non-zero real number a?
3.
For real numbers a,b and integers m,n, the law (a×b)n is:
4.
Negative rational exponents are defined as a−m/n=
5.
If n is even and a is negative, a1/n is:
6.
The pH of a solution is defined by the formula:
7.
Solutions with a pH greater than 7 are defined as:
8.
What is the value of (am)n?
9.
The expression a1/2 is also written as:
10.
If n is odd and a is negative, a1/n is:
11.
What is the value of 2−3?
12.
Which law is used to simplify am/an?
13.
The n-th root of a is written in radical notation as:
14.
If a1/n is a real number, then am/n is defined as:
15.
In the pH scale, a solution with pH = 7 is:
16.
What is the simplified form of (a2)−3?
17.
The expression (a/b)n is equal to:
18.
Chemists measure the acidity of a solution by its:
20.
Which law states am/an=am−n?
21.
What is the value of (100)3/2?
22.
The antilog of a number is its:
23.
What is the value of (−27)1/3?
24.
am/n is meaningful if a is:
25.
The product law of logarithms states log(A×B)=
26.
H+ concentration is measured in:
27.
What is the value of 40?
28.
A pH value of 2.4 indicates the solution is:
29.
To simplify (3a1/6)2, we get:
30.
The cube root of 8 is:
