End of Rounding

Front

What is scientific notation?

Back

A way of expressing numbers that are too big or too small to be conveniently written in decimal form, using powers of ten.

Front

How do you convert a number to scientific notation?

Back

Move the decimal point in the number until only one non-zero digit remains to the left, then multiply by 10 raised to the number of places the decimal was moved.

Front

What is the scientific notation for 0.004362?

Back

4.362 x 10^-3

Front

What does 'significant figures' mean?

Back

Digits in a number that contribute to its precision, including all non-zero digits, zeros between significant digits, and trailing zeros in the decimal part.

Front

How many significant figures are in the number 0.000008?

Back

1

Front

How do you round a number to a specific number of significant figures?

Back

Look at the digit immediately after the last significant figure you want to keep; if it's 5 or more, round up the last significant figure.

Front

Round 1009 to three significant figures.

Back

1010

Front

What is the standard form of -5.6 x 10^-3?

Back

-0.0056

Front

What is 0.658 rounded to 1 significant figure?

Back

0.7

Front

What is the purpose of rounding numbers?

Back

To simplify numbers while maintaining a level of accuracy that is acceptable for the context.