4.3 Scientific Notation & Compare!

Front

What is scientific notation?

Back

A way to express very large or very small numbers using powers of ten. For example, 3000 can be written as 3 x 10^3.

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 its left, then count the number of places moved and use that as the exponent of 10.

Front

What is the standard form of 2.08 x 10^2?

Back

208

Front

How do you compare two numbers in scientific notation?

Back

If the exponents are the same, compare the base numbers. The larger base number is the larger overall number.

Front

What is the smallest number among 1.3 x 10^20, 2.9 x 10^21, 9.5 x 10^32, and 8.4 x 10^19?

Back

8.4 x 10^19.

Front

What is the scientific notation for 0.00000707?

Back

7.07 x 10^-6.

Front

When comparing two scientific notations with the same exponent, what determines the larger number?

Back

The base number.

Front

What is the scientific notation for 20,800?

Back

2.08 x 10^4.

Front

How do you express 0.0025 in scientific notation?

Back

2.5 x 10^-3.

Front

What is the value of 5.55 x 10^5 in standard form?

Back

555,000.