Scientific Measurements

Front

What is the SI base unit of mass?

Back

kilogram

Front

Round 0.004578 to two significant figures.

Back

0.0046

Front

How many significant figures are in the number 10,000?

Back

1

Front

Round 0.004578 to three significant figures.

Back

0.00458

Front

How many significant figures are in the number 6.50 x 10^4?

Back

3

Front

What does 'significant figures' mean?

Back

Digits in a number that contribute to its precision.

Front

What is the purpose of rounding numbers?

Back

To simplify numbers while maintaining their value.

Front

What is the difference between mass and weight?

Back

Mass is the amount of matter, while weight is the force of gravity on that mass.

Front

What is the metric unit for length?

Back

meter

Front

How do you identify significant figures in a decimal number?

Back

Start counting from the first non-zero digit.