Power Play: Practice 3

Practise focused skills from Power Play

MathematicsGrade 8Mixed12 questions24 min

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Section A: Core Practice · 6 questionsSection B: Reasoning and Application · 6 questions

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Section A: Core Practice

Build core ideas for this chapter.

Choose the best answer for each question.

Question 1

EasyQuestion

Simplify $(m^4)^2$ .

Topic: Laws of Exponents · Skill: Apply quotient law for powers with the same base

Question 2

EasyQuestion

Write $900000000$ in scientific notation.

Topic: Laws of Exponents · Skill: Simplify powers raised to powers

Question 3

MediumQuestion

A cell diameter is about $6e-06$ m. Which is this length in scientific notation?

Topic: Scientific Notation · Skill: Write large numbers in scientific notation

Question 4

MediumQuestion

Which is greater: $4.1\times 10^6$ or $5.1\times 10^5$ ?

Topic: Scientific Notation · Skill: Compare quantities written in scientific notation

Question 5

MediumQuestion

Write $3 \times 3 \times 3 \times 3 \times 3$ using exponents.

Topic: Powers and Exponents · Skill: Write repeated multiplication using exponents

What this assignment covers

Progressive Grade 8 Math practice for Power Play covering Laws of Exponents, Powers and Exponents, Scientific Notation.

Skills and sections

Apply quotient law for powers with the same base, Simplify powers raised to powers, Write large numbers in scientific notation, Compare quantities written in scientific notation, Write repeated multiplication using exponents

Section A: Core Practice: 6 questions
Section B: Reasoning and Application: 6 questions