Free Printable Mastering Scientific Notation Concepts

1.

Which of the following numbers is correctly written in scientific notation?

a)

$0.45 \times 10^3$

b)

$4.5 \times 10^2$

c)

$45 \times 10^1$

d)

$450 \times 10^0$

2.

Express $0.00032$ in scientific notation.

a)

$3.2 \times 10^{-3}$

b)

$3.2 \times 10^{-4}$

c)

$32 \times 10^{-5}$

d)

$0.32 \times 10^{-3}$

3.

Convert $7,800,000$ into scientific notation.

a)

$7.8 \times 10^5$

b)

$7.8 \times 10^6$

c)

$78 \times 10^5$

d)

$0.78 \times 10^7$

4.

Which of the following is the standard form of $2.5 \times 10^3$ ?

a)

$250$

b)

$2,500$

c)

$25,000$

d)

$0.025$

5.

Write $0.0061$ in standard form.

a)

$6.1 \times 10^{-2}$

b)

$6.1 \times 10^{-3}$

c)

$6.1 \times 10^{-4}$

d)

$6.1 \times 10^{-5}$

6.

Add the following numbers in standard form: $3.2 \times 10^4 + 4.8 \times 10^4$

a)

$8.0 \times 10^4$

b)

$7.0 \times 10^4$

c)

$7.0 \times 10^5$

d)

$8.0 \times 10^5$

7.

Add $2.5 \times 10^3$ and $3.5 \times 10^2$ and give your answer in standard form.

a)

$2.85 \times 10^3$

b)

$2.85 \times 10^2$

c)

$6.0 \times 10^3$

d)

$2.85 \times 10^4$

8.

Multiply $4 \times 10^5$ by $3 \times 10^2$ and give your answer in standard form.

a)

$1.2 \times 10^7$

b)

$1.2 \times 10^8$

c)

$7 \times 10^7$

d)

$12 \times 10^6$

9.

What is the result of multiplying $6 \times 10^{-3}$ by $2 \times 10^2$ in standard form?

a)

$1.2 \times 10^{-1}$

b)

$1.2 \times 10^{-5}$

c)

$1.2 \times 10^{-2}$

d)

$1.2 \times 10^{-4}$

10.

Which of the following is the correct way to write $0.00089$ in scientific notation?

a)

$8.9 \times 10^{-3}$

b)

$8.9 \times 10^{-4}$

c)

$8.9 \times 10^{-5}$

d)

$0.89 \times 10^{-3}$

Mastering Scientific Notation Concepts

Total questions: 10

Worksheet time: 5mins

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