2.7 kilograms contain this many grams.

The temperature in the laboratory is posted as 251 K. What is this temperature in degrees Celsius?

Express the number 178414 in scientific notation.

Convert 22.9 cm to inches (2.54 cm = 1 in).

Convert 77.0°F into Celsius degrees?

Using the rules of significant figures, calculate the following: 30 + 4.207

4.1 milliseconds is equal to how many seconds?

Convert: 7.7 mm = _____ km.

Write the following number into scientific notation? 0.00000017

Which of the following a naturally occurring diatomic molecule?