Quiz about Applying Operations on Numbers Expressed Using Scientific Notation to Solve Mathematical and Real-World Problems

Question 1

(2 x 10^-5)+ (7 x 10^-5)

Accepted Answer

9 x 10-5

Answer

9 x 10-10

Answer

14 x 10-5

Answer

1.4 x 10^-4

Question 2

(8 x 10⁴) + (4 x 10⁴)

Accepted Answer

1.2 x 10⁵

Answer

12 x 104

Answer

1.2 x 10⁹

Answer

1.2 x 10⁸

Question 3

(8 x 10⁴) - (2 x 10⁴)

Accepted Answer

6 x 104

Answer

16 x 10¹⁶

Answer

16 x 108

Answer

6 x 108

Question 4

(5 x 10⁶) - (3 x 10⁶)

Accepted Answer

2 x 106

Answer

2 x 1012

Answer

2 x 1036

Answer

2 x 100

Question 5

(2 x 10⁹)(4 x 10^-4)

Accepted Answer

8 x 105

Answer

8 x 1013

Answer

8 x 10³⁶

Answer

8 x 10-36

Question 6

(5 x 10⁶)(5 x 10⁷)

Accepted Answer

2.5 x 10¹⁴

Answer

2.5 x 10¹²

Answer

25 x 10¹²

Answer

25 x 10¹³

Question 7

5 x 10¹²
------------
2 x 10⁶

Accepted Answer

2.5 x 10⁶

Answer

2.5 x 102

Answer

3 x 102

Answer

2.5 x 10¹⁸

Question 8

2 x 10⁵
----------
8 x 10²

Accepted Answer

2.5 x 102

Answer

2.5 x 10⁴

Answer

25 x 103

Answer

.25 x 103

Question 9

When you move the decimal to the right, you think you would ____ but you actually _______ when converting to scientific notation.

Accepted Answer

Add             Subtract

Answer

Subtract       Add

Answer

Subtract      Multiply

Answer

Add            Multiply

Question 10

When you move the decimal to the left, you think you would ____ but you actually _______ when converting to scientific notation.

Accepted Answer

Subtract          Add

Answer

Subtract         Multiply

Answer

Add              Subtract

Answer

Add       Multiply

Question 11

19 x 105

Accepted Answer

1.9 x 10⁶

Answer

1.9 x 10⁵

Answer

1.9 x 10⁴

Question 12

145 x 10⁸

Accepted Answer

1.45 x 10¹⁰

Answer

1.45 x 10⁸

Answer

1.45 x 10⁶

Question 13

.034 x 10⁷

Accepted Answer

3.4 x 10⁵

Answer

3.4 x 10⁷

Answer

3.4 x 10⁹

Question 14

.54 x 10⁵

Accepted Answer

5.4 x 10⁴

Answer

5.4 x 10⁶

Answer

5.4 x 10⁵

Applying Operations on Numbers Expressed Using Scientific Notation to Solve Mathematical and Real-World Problems

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