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SI Units

If your friend says they'll meet you 10 minutes down the road, tell them that the SI unit of length is the meter. Learn how scientists make sure to compare apples with apples using the SI system.

SI Multiplier Prefixes


Suppose that you are told that a brand new super computer's microprocessor has a clock frequency of \(3 9\text{ GHz},\) What is this frequency in hertz?

Which of the following prefixes represents \( \frac{1 \text{ tera}}{1 \text{ mega}} \) of a given unit?

Which of the following prefixes represents \( 1 \text{ hecto } \times 1 \text{ deca } \) of a given unit?

How many gigawatts are there in \(4.70 \times 10^3\) watts?

Find the expression for a particular electric power \[ 1.27 \times 10 ^9 \text{ watts}, \] using the appropriate prefix in SI unit.


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