Introduction, Measurement, Estimating Flashcards
1
Q
How many centimeters does an inch equal
A
2.54
2
Q
What are the standard units of measurement for length, time and mass in the System International
A
Meter, second, kilogram
3
Q
How do you determine the number of significant digits in a number
A
It is the numbers that are known reliably
4
Q
What do you do if the uncertainty of a number isn’t stated
A
You add 1, 2, or three to the last digit. For example 24.3 could become +- .1
5
Q
What is the definition of sine
A
The opposite line divided by the hypotenuse, assuming you have an acute angle
6
Q
What is the definition of cosine
A
It is the adjacent line divided by the hypotenuse, assuming you have an acute angle
