25-26 Review for CBA 1 7th Advanced

Front

What is scientific notation?

Back

A way of expressing numbers that are too large 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. Count the number of places moved; this becomes the exponent of 10.

Front

What is the scientific notation for 0.0000037?

Back

3.7 x 10^-6

Front

What does a negative exponent indicate in scientific notation?

Back

It indicates that the number is a fraction or a very small number.

Front

What is the square root of 36?

Back

6 and -6, since both numbers squared give 36.

Front

What is the average distance from Jupiter to the Sun in scientific notation?

Back

5 x 10^8 miles.

Front

Which is larger: 9 x 10^6 or 1.3 x 10^12?

Back

1.3 x 10^12 is larger.

Front

Back

0.001 or 10^-3.

Front

How do you compare two numbers in scientific notation?

Back

Compare the exponents first; the larger exponent indicates the larger number.

Front

What is the square root of a negative number?

Back

It is not a real number; it is an imaginary number.