IXL | Evaluate powers with decimal bases

Evaluate. Write your answer as a decimal or whole number.

(0.2)² =

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Learn with an example

question

Evaluate. Write your answer as a decimal or whole number.

(0.03)³ =

key idea

An exponent tells you how many times its base is used as a factor.

Exponents are used to write repeated multiplication.

For example, for a base of 2:

2²	=	2 · 2 = 4
2³	=	2 · 2 · 2 = 8
2⁴	=	2 · 2 · 2 · 2 = 16
2⁵	=	2 · 2 · 2 · 2 · 2 = 32

solution

The base is 0.03 and the exponent is 3. Use 0.03 as a factor 3 times.

(0.03)³	=	0.03 · 0.03 · 0.03

	=	0.000027

Looking for more? Try these:

Lesson: Exponents

Lesson: Multiplying decimals

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Teacher tools

Work it out

Not feeling ready yet? These can help:

D.2Evaluate powers with whole number bases

DD.6Multiply two decimals: products up to hundredths

Lesson: Exponents

Lesson: Multiplying decimals

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