Scientific Notation and One step Algebra

​ SCIENTIFIC NOTATION
REVIEW + Algebra

By Valeria Cruz

One Step Algebra

Multiple Choice

$$x\ +7=15$$  

• x = 105

• x = 22

• x = 8

• x =  $$\frac{15}{7}$$  

Multiple Choice

x - 4 = 9

• x = 5

• x = 13

• x = $$\frac{9}{4}$$

• x = 36

Multiple Choice

4x = 32

• x = 8

• x = 28

• x = 36

• x = 128

Multiple Choice

$$\frac{x}{7}=14$$  

• x = 21

• x = 2

• x = 7

• x = 98

Multiple Choice

x - 12 = 48

• x = 60

• x = 36

• x = 4

• x = 576

Multiple Choice

7x = 21

• x = 14

• x = 28

• x = 147

• x = 3

Multiple Choice

$$\frac{x}{3}=12$$  

• x = 4

• x = 15

• x = 9

• x = 36

Multiple Choice

x + 6 = 18

• x = 12

• x = 24

• x = 3

• x = 108

Multiple Choice

x - 9 = 45

• x = 36

• x = 54

• x = 5

• x = 405

Multiple Choice

3x = 36

• x = 33

• x = 39

• x = 12

• x = 108

Multiple Choice

$$\frac{x}{4}=24$$  

• x = 20

• x = 28

• x = 96

• x = 6

Multiple Choice

x + 9 = 36

• x = 27

• x = 45

• x = 4

• x = 324

Multiple Choice

x - 15 = 45

• x = 60

• x = 30

• x = 3

• x = 675

Multiple Choice

2x = 16

• x = 14

• x = 18

• x = 8

• x = 32

Multiple Choice

$$\frac{x}{2}\ =\ 12$$  

• x = 10

• x = 14

• x = 6

• x = 24

Multiple Choice

x - 3 = 18

• x = 15

• x = 21

• x = 6

• x = 54

What is Standard Form?

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What is Scientific Notation?

Multiple Choice

Tell whether or not the number is given in scientific notation.

$$16.39\times10^{15}$$

• Yes

• No

Multiple Choice

In scientific notation 3,450,000 is equal to:

• 34.5 × 10⁵

• 345 × 10⁴

• 3450 × 10³

• 3.45 × 10⁶

Multiple Choice

Write the number 7.45 × 10³ in standard notation.

• 0.00745

• 7,450

• 745

• 74,500

Multiple Choice

Simplify $$\frac{2.2\times10^{11}}{1\times10^4}$$ and write the answer in scientific notation

• $$2.2\times10^4$$

• $$22$$

• $$2.2\times10^{11}$$

• $$2.2\times10^7$$

Multiple Choice

Write the number 0.853 in scientific notation.

• $$0.853\times10^0$$

• $$85.3\times10^{-2}$$

• $$8.53\times10^0$$

• $$8.53\times10^{-1}$$

Multiple Choice

Write the answer in scientific notation.
7.3 x 10⁵  +   3.7 x 10⁵  =

• 11.0 x 10⁵

• 1.1 x 10¹⁰

• 1.10 x 10¹¹

• 1.1 x 10 ⁶

Multiple Choice

The diameter of the planet Mercury is 4.87 x 10³ kilometers. The diameter of the planet Venus is 1.21 x 10⁴ kilometers. The diameter of Earth is 1.28 x 10⁴  kilometers. The diameter of Mars is 6.79 x 10³ kilometers. Which planet has the smallest diameter?

• Mercury

• Earth

• Venus

• Mars

Multiple Choice

Subtract (6.3 x 10⁶) - (2.7 x 10⁵). Write your answer in scientific notation.

• not given

• 9.0 x 10⁶

• 6.03 x 10⁶

• 3.6 x 10⁶

Multiple Choice

Convert the following number to Scientific Notation:

670,400

• 0.6704x10^-6

• 6.704x10^5

• 0.6704x10^6

• 6.704x10^-5

Multiple Choice

Convert the following number to Standard Notation:

$$3.2456\times10^{-8}$$  

• 0.00032456

• 3.24560000

• 0.000000032456

• 324,560,000

Multiple Choice

Convert the following number to Scientific Notation:

0.00000089

• 0.89x10^6

• 8.9x10^7

• 8.9x10^-7

• 0.89x10^-6

Multiple Choice

Convert the following number to Standard Notation:

$$9.7\times10^7$$  

• 0.00000097

• 97,000,000

• 970,000,000

• 9.7000000

Multiple Choice

Convert the following number to Scientific Notation:

570,000,000

• 5.7x10^8

• 0.57x10^9

• 5.7x10^-8

• 0.57x10^-9

Multiple Choice

Convert the following number to Standard Notation:

$$8\times10^2$$  

• 0.08

• 8.00

• 0.008

• 800

Multiple Choice

How would you write 564,000,000 in scientific notation?

• 5.64 x 10^-7

• 5.64 x 10⁶

• 5.64 x 10⁸

• 56.4 x 10⁷

Multiple Choice

Change from standard form to scientific notation:  450,000

• 4.5  x  10⁵
• 45  x  10⁵
• 4.5  x  10⁴
• 4.5  x  10⁶

Multiple Choice

How would you write 0.0005 in scientific notation?

• 50 x 10^-5

• 5 x 10^-4

• 5 x 10^-3

• .5 x 10³

Multiple Choice

Write in scientific notation:
0.00071363

• 7.1363 x 10^-3
• 7.1363 x 10^-4
• 7.1363 x 10⁴
• 7.1363 x 10³

Multiple Choice

How would you write 4.3756 x 10⁴ in standard form?

• 437,560,000
• 0.00043756
• 43,756
• 4,3756

Multiple Choice

How do you write 8.317 x 10⁶ in standard form?

• 8, 371, 000

• 83, 170, 000

• 837, 100

• 8, 317, 000

Multiple Choice

How would you write -5.6 x 10^-3 in standard form?

• 0.0056
• -5,600
• 0.00056
• -0.0056

Multiple Choice

Which of the following is correct scientific notation?

• 20.35 x 10⁴
• .2035 x 10⁴
• 2035 ⁴
• 2.035 x10⁴

Multiple Choice

Write in standard form

2.56 x $$10^5$$  

• 25,600,000

• 256,000

• 25,605

• 0.0000256

Multiple Choice

Write in standard form

4.5 x $$10^{-4}$$  

• 45,000

• 450,000

• 0.000045

• 0.00045

Multiple Choice

Write in standard form

8.04 x $$10^2$$  

• 804

• 80,400

• 0.00804

• 0.0804

Multiple Choice

Write in standard form

9.5 x $$10^{-3}$$  

• 0.00095

• 0.0095

• 95,000

• 9,500

Multiple Choice

Write in standard form

6.14 x $$10^2$$  

• 0.00614

• 0.0614

• 614

• 61400

Multiple Choice

Write in standard form

3.005 x $$10^{-6}$$  

• 0.0000003005

• 0.000003005

• 3,005,000,000

• 300,500

Multiple Choice

Write in standard form

9.072 x $$10^3$$  

• 0.009072

• 0.0009072

• 9072

• 9,072,000

Multiple Choice

Write in Standard Form

1.2335 x $$10^2$$  

• 0.0012335

• 0.012335

• 1,233,500

• 123.35

Multiple Choice

Write in Standard Form

25 x $$10^{-1}$$  

• 0.025

• 0.25

• 2.5

• 250

Multiple Choice

Write in standard form

5.12 x $$10^{-2}$$  

• 0.0512

• 0.512

• 512

• 51,200