Scientific Notation Flashcard #2

Front

What is scientific notation?

Back

A way to express very large or very small numbers using powers of ten.

Front

How do you express 0.0045 in scientific notation?

Back

4.5 x 10^-3

Front

What does a positive exponent in scientific notation indicate about the original number?

Back

The original number was a really big number.

Front

How do you express 0.0000897 in scientific notation?

Back

8.97 x 10^-5

Front

What is the correct ascending order of these numbers: 3.2 x 10^3, 7.5 x 10^2, 1.8 x 10^3?

Back

7.5 x 10^2, 1.8 x 10^3, 3.2 x 10^3.

Front

What does a negative exponent in scientific notation indicate about the original number?

Back

The original number was a really small number.

Front

How do you convert 5000 into scientific notation?

Back

5.0 x 10^3

Front

What is the scientific notation for 0.00012?

Back

1.2 x 10^-4

Front

If a number is expressed as 2.5 x 10^6, what is the original number?

Back

2,500,000.

Front

How do you express 0.00000045 in scientific notation?

Back

4.5 x 10^-7