1. It allows us to express a very small or very large number in a compact form.

A. Scientific Notation
B. Standard form
C. Real Numbers
D. Standard Notation

2. Which of the following could not be able to express in scientific notation?

A. 2.30000
C. 2/3
B. 0.000219
D. 32 million

3. What is Four Hundred Thousand in scientific notation?

A. 4 x 10^4
B. 4 x 10^5
C. 4 x 10^-4
D. 4 x 10^-5

4. Which of the following represents a standard notation?

A. 2.30 x 10^2
B. 2.3 x 10^3
C. 0.000023
D. 2.3 x 1000

5. According to the history, the first pandemic was the “Spanish flu”, also known as the 1918 flu pandemic who killed about 10 million people. What is 10 million in scientific notation?

A. 1 x 10^6
B. 1 x 10^7
C. 1 x 10^5
D. 2 x 10^8​