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Scientific Notation Word Problems and Operations

Authored by Steven Caruso

Mathematics

8th Grade

CCSS covered

Used 60+ times

Scientific Notation Word Problems and Operations
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7 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify: (7.5×103)(1.8×105)\left(7.5\times10^3\right)\left(1.8\times10^5\right)  

 13.5×10813.5\times10^8  

 13.5×10913.5\times10^9  

 1.35×1091.35\times10^9  

 9.3×1089.3\times10^8  

Tags

CCSS.8.EE.A.4

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Michigan has an area of  9.6×1049.6\times10^4  square miles and California has an area of  1.6×1051.6\times10^5  square miles. What is the difference of the two areas?

 .64×104.64\times10^4  

 6.4×1046.4\times10^4  

 7×1057\times10^5  

 .64×105.64\times10^5  

Tags

CCSS.8.EE.A.4

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify:  (6.8×103)+(1.2×102)\left(6.8\times10^{-3}\right)+\left(1.2\times10^{-2}\right)  

 8.16×1038.16\times10^{-3}  

 5×1025\times10^2  

 1.88×1031.88\times10^{-3}  

 1.88×1021.88\times10^{-2}  

Tags

CCSS.8.EE.A.4

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The distance from China to Europe is  6.7×1036.7\times10^3 miles and the distance from China to America is  1.1×1041.1\times10^4  miles. What is the difference of the two distances?

 4.3×1034.3\times10^3  

 .43×103.43\times10^3  

 .43×102.43\times10^2  

 7.8×1047.8\times10^4  

Tags

CCSS.8.EE.A.4

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify:  (7.2×105)1.3×10\frac{\left(7.2\times10^5\right)}{1.3\times10^{ }}  

 5.538×1055.538\times10^5  

 5.538×1045.538\times10^4  

 5.9×1045.9\times10^4  

 5.9×1035.9\times10^3  

Tags

CCSS.8.EE.A.4

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The net worth of Eli Manning is 1×108\text{}1\times10^8  and the net worth of  4×1084\times10^8  . How many times Eli's net worth is Peyton's?

 4×1014\times10^1  

 4×1084\times10^8  

4

 4×10164\times10^{16}  

Tags

CCSS.8.EE.A.4

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Simplify:  (8×107)(2×105)×(5.4×103)\frac{\left(8\times10^7\right)}{\left(2\times10^5\right)}\times\left(5.4\times10^3\right)  

 4×1024\times10^2  

 2.16×1062.16\times10^6  

 16×101316\times10^{13}  

 21.6×10521.6\times10^5  

Tags

CCSS.8.EE.A.4

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