Scientific Notations and its Operations

Front

What is scientific notation?

Back

A way to express very large or very small numbers using powers of ten, in the form a x 10^n, where 1 ≤ a < 10 and n is an integer.

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

Convert 0.0005 to scientific notation.

Back

5 x 10^-4

Front

What is the first part of scientific notation called?

Back

The coefficient, which is a number between 1 and 10.

Front

What is the second part of scientific notation?

Back

The exponent, which indicates the power of 10.

Front

How do you multiply numbers in scientific notation?

Back

Multiply the coefficients and add the exponents.

Front

How do you divide numbers in scientific notation?

Back

Divide the coefficients and subtract the exponents.

Front

Convert 3,200,000 to scientific notation.

Back

3.2 x 10^6

Front

Which of the following is NOT in correct scientific notation: 0.0045 x 10^3, 4.5 x 10^-3, 45 x 10^-4?

Back

0.0045 x 10^3 is not correct because the coefficient is not between 1 and 10.

Front

What is the scientific notation for 1,000,000,000?

Back

1 x 10^9