Lesson N6
N6 use positive integer powers and associated real roots (square, cube and higher),... Quiz: Pearson Edexcel Maths, Unit 1
20 questions
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Lesson N6, use positive integer powers and associated real roots (square, cube and higher),...: 20 multiple choice questions for the Pearson Edexcel GCSE Maths (1MA1), Unit 1: Number, written with Revision Ninja.
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The 20 questions
-
What is 2⁵?
- 25
- 32
- 10
- 64
-
What is the cube root of 27?
- 9
- 13.5
- 3
- 2.7
-
Which of these is a power of 3?
- 20
- 30
- 12
- 27
-
What is the square root of 144?
- 11
- 72
- 14
- 12
-
Estimate √50 to the nearest whole number.
- 7
- 6
- 8
- 25
-
What is the value of 4³?
- 81
- 12
- 64
- 16
-
What is the value of 5² + 2³?
- 33
- 15
- 39
- 27
-
Which power of 2 equals 128?
- 2⁶
- 2⁵
- 2⁷
- 2⁸
-
What is 3⁴?
- 12
- 27
- 81
- 64
-
Which number is both a perfect square and a perfect cube?
- 125
- 64
- 100
- 36
-
Estimate ∛200 to the nearest whole number.
- 6
- 5
- 7
- 4
-
Which is the square root of 0.09?
- 0.009
- 0.3
- 0.9
- 0.03
-
What are the real roots of x² = 49?
- 7 and -7
- 24.5
- 7 only
- 49 and -49
-
Which value is greater: 10³ or 2¹⁰?
- they are equal
- 10³
- 2¹⁰
- 100³
-
Estimate 6.8² to the nearest whole number.
- 46
- 40
- 50
- 36
-
What is the sign of the result when squaring any negative number?
- always positive
- depends on the magnitude
- always negative
- always zero
-
What is (3²)³?
- 27
- 6561
- 243
- 729
-
Between which two consecutive whole numbers does √80 lie?
- 80 and 81
- 8 and 9
- 9 and 10
- 7 and 8
-
Which number is both a cube and a power of 2?
- 27
- 9
- 64
- 16
-
Which is the cube root of -8?
- -2
- -4
- 4
- 2
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