Unit #5 - Scientific Notation

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 large number to scientific notation?

Back

Move the decimal point to the left until only one non-zero digit remains to the left of the decimal. Count the number of places moved; this becomes the positive exponent of ten.

Front

Convert 52,300,000 to scientific notation.

Back

5.23 x 10^7

Front

What is the scientific notation for 0.0000074?

Back

7.4 x 10^-6

Front

How do you convert a small number to scientific notation?

Back

Move the decimal point to the right until only one non-zero digit remains to the left of the decimal. Count the number of places moved; this becomes the negative exponent of ten.

Front

What power of ten is used for the number 0.9 in scientific notation?

Back

-1

Front

What is the result of (7.381 x 10^2) + (8.7 x 10^2)?

Back

1.6081 x 10^3

Front

What is 7.4 times a hundredth in decimal form?

Back

0.074

Front

What is the general form of scientific notation?

Back

a x 10^n, where 1 ≤ a < 10 and n is an integer.

Front

How do you multiply numbers in scientific notation?

Back

Multiply the coefficients and add the exponents of the powers of ten.