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In this lesson, we will learn how to identify the base and exponent in power formulas, write them in exponential, expanded and word forms, and evaluate simple powers.
Q1:
Find the value of ( − 3 ) × 3 3 2 3 .
Q2:
Calculate × 1 2 7 1 2 2 1 2 3 , giving your answer in its simplest form.
Q3:
Find the value of 5 2 .
Q4:
What terminology do we use to describe the 3 in the term 𝑥 3 ?
Q5:
Is the following correct: 6 = 2 × 2 × 2 × 3 × 3 × 3 3 ?
Q6:
Evaluate 5 1 .
Q7:
Calculate 2 × 2 × 3 × 3 .
Q8:
Simplify − 1 2 𝑥 𝑦 6 𝑥 𝑦 6 5 4 .
Q9:
Write four squared using digits.
Q10:
Write the expression 3 4 in words.
Q11:
What is the base in 5 7 ?
Q12:
Is the following correct: 3 = 3 + 3 + 3 + 3 4 ?
Q13:
Write seven to the fourth power using digits.
Q14:
The cost of each flight of the space shuttle is about $ 1 0 0 0 0 0 0 0 . Write this cost in exponential form.
Q15:
The African bush elephant is the largest land animal and weighs about 8 tons. Express this amount in exponential form.
Q16:
Express the volume of a cube of edge length 32 units as an exponent, and then determine its value.
Q17:
The prefix kilo in kilometre represents 1 0 0 0 metres. Write this length as a power of ten.
Q18:
The prefix mega in megameter represents metres. Write this number as a power of ten.
Q19:
Find the digit in the units place of 5 × 2 4 6 .
Q20:
Use a calculator to determine whether this sentence is true or false: 2 < 4 4 2 .
Q21:
Complete the following using < , > , or = : 3 3 3 5 .
Q22:
Complete the following using < , > , or = : 8 2 2 6 .
Q23:
Which of the following is true?
Q24:
Complete the following using < , > , or = : 4 3 5 5 .
Q25:
Complete the following using < , > , or = : 4 6 3 2 .
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