Quiz about Scientific Notation and Standard Form

Question 1

One ounce of gold can be made into a wire that is $$8 imes10^4$$ m long.

What is the length of the wire in standard form?

Accepted Answer

$$80,000$$ m

Answer

$$0.0032$$ m

Answer

$$32,000$$ m

Answer

$$0.0008$$ m

Question 2

One ounce of gold can be made into a wire that is $$5 imes10^{-6}$$ m thick.

What is the thickness of the wire in standard form?

Accepted Answer

$$0.000005$$ m

Answer

$$0.0003$$ m

Answer

$$30,000,000$$ m

Answer

$$5,000,000$$ m

Question 3

The decimal number in scientific notation has to be ___ and ___.

Accepted Answer

$$\ge1$$

Accepted Answer

$$<10$$

Answer

$$\le1$$

Answer

$$>10$$

Question 4

Which expressions are NOT written in scientific notation?

Accepted Answer

$$23 imes10^1$$

Accepted Answer

$$5.32 imes3^9$$

Answer

$$4.02 imes10^{-8}$$

Answer

$$7\ imes10^6$$

Question 5

Which of the following numbers is written in scientific notation?

Accepted Answer

2.035 x10⁴

Answer

20.35 x 10⁴

Answer

.2035 x 10⁴

Answer

2035 4

Question 6

If the exponent in scientific notation is a positive number the standard form will be ___.

Accepted Answer

a really big number.

Answer

a really small number.

Question 7

If the exponent in scientific notation is a negative number the standard form will be ___.

Accepted Answer

a really small number.

Answer

a really large number.

Scientific Notation and Standard Form