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Scientific notation math

Authored by Kelene McCollum

Chemistry

9th - 12th Grade

Used 10+ times

Scientific notation math
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12 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 What is the answer to this problem? 1.4×105 + 5.6×1081.4\times10^{-5}\ +\ 5.6\times10^8 

 5.6×1085.6\times10^8  

 7.84×1037.84\times10^3  

 7.0×1037.0\times10^3  

 7.0×10137.0\times10^{13}  

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 What is the answer to this problem? 1.4×105  5.6×1081.4\times10^{-5}\ \cdot\ 5.6\times10^8 

 7.84×1037.84\times10^{-3}  

 7.84×1037.84\times10^3  

 7.84×10117.84\times10^{-11}  

 7.84×10117.84\times10^{11}  

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 What is the answer to this problem? 6.6×1011  5.9×10246.6\times10^{11}\ \cdot\ 5.9\times10^{-24} 

 3.89×10123.89\times10^{-12}  

 3.89×10123.89\times10^{12}  

 1.25×10131.25\times10^{-13}  

 1.25×10131.25\times10^{13}  

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 What is the answer to this problem? 3.2×1084.4×104 =\frac{3.2\times10^8}{4.4\times10^{-4}}\ = 

 7.72×1037.72\times10^3  

 7.72×10117.72\times10^{-11}  

 7.72×1037.72\times10^{-3}  

 7.27×10117.27\times10^{11}  

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

 What is the answer to this problem? 1.1×1055.6×1082.2×108 =\frac{1.1\times10^5\cdot5.6\times10^{-8}}{2.2\times10^8}\ = 

 2.8×1052.8\times10^5  

 2.8×1052.8\times10^{-5}  

 2.8×10112.8\times10^{-11}  

 2.8×10112.8\times10^{11}  

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What exactly is scientific notation?

Scientific notation is a mathematical expression used to represent a decimal number between 1 and 10 so you can write large numbers using less digits.

Scientific notation is an expression involving multiplication with a decimal between 1 and 10.

Scientific notation is a thing used in math.

Scientific notation is a way of presenting a number using less digits than the actual number.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Solve: (Scientific Notation)

(5.25x107)+(8.6x10-5)

5.20x107

9x106

4.76x108

5.25x107

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