Significant Figures and Units

SI Units

100

Kelvin

What is the SI unit for temperature?

200

Kilograms

What is the SI unit for mass?

300

Meters

What is the SI unit for length?

400

Mole

What is the SI unit for amount?

500

Seconds

What is the SI units for time?

Unit Conversion

100

1000 mg (in grams)

What is 1 gram?

200

30 cm to millmeters

What is 300 mm?

300

30 millileters (in microliters)

What is 3.0 x 10⁴ microliters?

400

400 milligrams (in grams)

What is 0.400 grams

500

70 cm to meters

What is 0.70 meters?

Significant Figures

100

34 (#significant figures)

What is 2 SF?

200

104 (#significant figures)

What is 3?

300

0.005 (# significant figures)

What is 1?

400

102.003 (# significant figures)

What is 6?

500

1200 (#significant figures)

What is 2?

Prefixes

100

10³

What is kilo-?

200

10^-6

What is micro-

300

milli

what is 10^-3

400

pico-

What is 10^-12

500

10⁰

What is the base unit?

Significant Figure Rules

100

Leading zeros are __________

What is never significant?

200

Non-zero digits are _______________

What is always significant?

300

Trailing zeros are _________________

What is significant only if a decimal point is present.

400

Zeros between two non-zero digits are ____________

What is always significant?

500

Easiest way to write a value to show significance of trailing zeros.

What is in scientific notation?