Lesson 04: Adding and Subtracting Decimals with Many Non-Zero Digits | Unit 5: Arithmetic in Base Ten

Explain how you could find the difference of 1 and 0.1978.

Explain or show how you could find the difference of 1 and 0.1978.

A chemist orders a jar labeled to contain 0.384 kilogram of a chemical she needs for an experiment. The actual weight of the chemical sample she receives is 0.3798 kilogram. Is the chemical sample heavier or lighter than the weight stated on the label? Explain how you know.

A chemist orders a jar labeled to contain 0.384 kilogram of a chemical she needs for an experiment. The actual weight of the chemical sample she receives is 0.3798 kilogram. How much heavier or lighter is the sample than stated on the label? Show your reasoning.

Calculate the difference for the following and show your reasoning: $$13.2 - 1.78$$ .