Warm-Up: Scientific Notation & Significant Figures Practice

Front

What is scientific notation?

Back

A way of expressing numbers as a product of a coefficient and a power of 10, e.g., 3.0 x 10^4.

Front

How do you determine the number of significant figures in a number?

Back

Count all non-zero digits, any zeros between them, and trailing zeros only if there is a decimal point.

Front

What is the significance of significant figures in calculations?

Back

They indicate the precision of a measurement and help maintain accuracy in calculations.

Front

Calculate 5.50 cm + 5.50 cm and give your answer with the appropriate number of significant figures.

Back

11.00 cm

Front

Calculate 345.009 g - 23.009 g and give your answer with the appropriate number of significant figures.

Back

322.000 g

Front

How many significant figures are in the number 0.000008?

Back

1

Front

What is the correct answer for: 1.31 cm x 2.3 cm?

Back

3.0

Front

Solve and round to the correct number of significant figures: 791.6 x 52.

Back

41000

Front

What are trailing zeros and how do they affect significant figures?

Back

Trailing zeros are zeros at the end of a number; they are significant only if there is a decimal point.

Front

What is the rule for addition and subtraction regarding significant figures?

Back

The result should have the same number of decimal places as the measurement with the least decimal places.