Add and Subtract with Scientific Notation

Open Ended

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Multiple Choice

Which number is correctly written in scientific notation?

• 10.4 x 10³

• 9.99 x 10⁶

• 143.002 x 10^-4

Multiple Choice

Which number is correctly written in scientific notation?

Remember: Scientific notation must be a number 0-10

• 5.67 x 10⁵

• 56.7 x 10³

• 567 x 10⁶

​Change from standard form to scientific notation:

12,000,000

​Change from standard form to scientific notation:

0.000398

Multiple Choice

Change from standard form to scientific notation:

0.004078

• 40.78 x 10^-4

• 4.078 x 10^-3

• 0.4078 x 10^-2

Multiple Choice

Convert to Scientific Notation:

64,800,000

• $$6.48x10^7$$

• $$64.8x10^7$$

• $$648x10^5$$

Multiple Choice

Convert to Standard Form:

$$8\times10^4$$

• 0.00320.0032

• 0.00080.0008

• 80,000

Multiple Choice

Convert to Standard Form:

$$5\times10^{-6}$$

• 0.0003

• 5,000,000

• 0.000005

Scientific Notation (Adding and Subtracting)

Same Exponent

Multiple Choice

$$\left(2.1\times10^5\right)+\left(3.3\times10^5\right)$$  

• 5.4 x 10⁵

• 9.6 x 10⁵

• 9.6 x 10¹¹

• 4.65 x 10⁵

Multiple Choice

$$\left(3\times10^6\right)-\left(6\times10^6\right)$$  

• $$1.8\times10$$  

• $$9\times10^6$$  

• $$1.81\times10^5$$  

• $$0.1\times10$$  

• $$0.1\times10^3$$  

Different Exponent

Multiple Choice

$$\left(2\times10^3\right)-\left(1.9\times10^2\right)$$  

• $$1.8\times10$$  

• $$1.81\times10^3$$  

• $$1.81\times10^5$$  

• $$0.1\times10$$  

• $$0.1\times10^3$$  

Multiple Choice

$$\left(4.1\times10^5\right)+\left(5.5\times10^6\right)$$  

• 5.91 x 10⁶

• 9.6 x 10⁵

• 9.6 x 10¹¹

• 4.65 x 10⁵

Multiple Choice

$$\left(8.0\times10^{13}\right)-\left(7.5\times10^{12}\right)$$  

• 7.25 x 10¹³

• 7.25 x 10¹²

• 5.0 x 10¹²

• 5.0 x 10¹³

Multiple Choice

$$\left(5.2\times10^7\right)+\left(3.01\times10^4\right)$$  

• 5.20301 x 10¹¹

• .520301 x 10⁷

• 5.20301 x 10⁷

• 5.20301 x 10⁸

Multiple Choice

$$\left(2.8\times10^8\right)+\left(5.4\times10^9\right)$$  

• 5.68 x 10⁹

• 5.69 x 10⁹

• 5.67 x 10⁹

• 5.70 x 10⁹

Multiple Choice

$$\left(9.8\times10^3\right)+\left(1.07\times\times10^5\right)$$  

• $$10.87\ \times\ 10^8$$  

• $$1.087\times10^9$$  

• $$2.15\times10^5$$  

• $$1.168\times10^5$$  

Multiple Choice

$$\left(7\times10^8\right)-\left(4\times10^6\right)$$  

• $$6.96\times10^8$$  

• $$3\times10^2$$  

• $$6.996\times10^8$$  

• $$6.96\times10^{14}$$  

Multiple Choice

$$\left(8\times10^{13}\right)-\left(4.5\times10^{11}\right)$$  

• $$7.55\times10^{11}$$  

• $$7.55\times10^{13}$$  

• $$7.955\times10^{13}$$  

• $$3.5\times\times10^2$$  

• $$7.955\times10^{11}$$  

Multiple Choice

4.1 x 10⁵  +  5.5 x 10⁶  =

• 5.91 x 10⁶

• 9.6 x 10⁵

• 9.6 x 10¹¹

• 4.65 x 10⁵

Multiple Choice

(2.8 x 10⁸) + (5.4 x 10⁹)

• 5.68 x 10⁹

• 5.69 x 10⁹

• 5.67 x 10⁹

• 5.70 x 10⁹

Multiple Choice

(7.2 x 10⁶) - (3.4x 10⁶)

• 3.8x10⁶

• 7.7x10⁶

• 3.7x 10⁶

• 3.9x10⁶

Multiple Choice

Subtract the within the scientific notation. 
(2 x 10³) - (1.9 x 10²)

• 1.81 x 10⁵

• 1.81 x 10³

• 1.81 x 10⁶

• 1.81 x 10⁴

Multiple Choice

$$(3.5x10^4)+(4.7x10^4)$$

• 1.5 x 10^4

• 6.2 x 10^4

• 8.2 x 10^4

• 4.5 x 10^4

Multiple Choice

(5.2 x 10⁷) + (3.01 x 10⁴)

• 5.20301 x 10¹¹

• .520301 x 10⁷

• 5.20301 x 10⁷

• 5.20301 x 10⁸

Multiple Choice

(2 x 10³) - (1.9 x 10²)

• 1.81 x 10⁵

• 1.81 x 10³

• 1.81 x 10⁶

• 1.81 x 10⁴

Multiple Choice

(9.9x 10^2)-(2.2x10^2)

$$(9.9x10^2)-(2.2x10^2)$$

• 7.6 x 10^2

• 7.7 x 10^2

• 7.8 x 10^2

• 7.9 x 10^2

Multiple Choice

(8.0 x 10¹³) - (7.5 x 10¹²)

• 7.25 x 10¹³

• 7.25 x 10¹²

• 5.0 x 10¹²

• 5.0 x 10¹³

Multiple Choice

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

5 x 10⁸ -   3.4 x 10⁸  =

• 2.4 x 10⁸

• 2.4 x 10⁰

• 1.6 x 10⁰

• 1.6 x 10⁸

Multiple Choice

(2.3 x 10²) + (4.1 x 10²)=

• 6.4 x 10⁴

• 6.4 x 10²

• 6.4 x 10⁰

• .64 x 10¹

Multiple Choice

(2.9 x 10^-9) - (1.7 x 10^-9)

• 1.2 x 10^-18

• 1.2 x 10^-9

• 4.6 x 10^-9

• 1.335 x 10^-4

Poll

How is the lesson about adding and subtracting scientific notation so far?

• Very easy.

  I can pass the exam

• A little bit confuse. I just need some practice

• Please re-teach