Exponential Notation

Submitted by ladislav.foltyn on Mon, 04/15/2019 - 22:27
Project ID: 
6000000049
Accepted: 
SubArea: 
Elementary arithmetics
Type: 
Match
Layout: 
8x8
Question: 
Perform necessary calculations and match each number in exponential notation to its decimal representation.
Question 1: 
$1.21\cdot10^{-4}$
Answer 1: 

$0.000121$

Question 2: 
$7.866\cdot10^{-11}$
Answer 2: 

$0.00000000007866$

Question 3: 
$5\cdot10^{-9}\cdot2\cdot10^{11}$
Answer 3: 

$1000$

Question 4: 
$2.3\cdot10^{-2}\cdot3.42\cdot10^{-4}$
Answer 4: 

$0.000007866$

Question 5: 
$2.24\cdot10^4\div3.2\cdot10^7$
Answer 5: 

$0.0007$

Question 6: 
$\left(1.15\cdot10^2\right)^3$
Answer 6: 

$1520875$

Question 7: 
$1.55\cdot10^2+2.31\cdot10^3$
Answer 7: 

$2465$

Question 8: 
$2.45\cdot10^5-1.114\cdot10^3$
Answer 8: 

$243886$

Tex: 
% tiket 32707 \NastavOT{2} \NastavOD{2}