The error is that 9 shouldnt be written as nine it should be written as 3x3 or 3^2. So the answer should be 2^3 x 3^2 because 9 can be divided into even more prime factors of 72.
Answer:
I think 0.7
Step-by-step explanation:
6.875 average.
To calculate the average you add up all of the numbers and divide it by the number of numbers there are, in this case there are 4 numbers. So you add 3.25+6.5+7.25+10.5 and divide that by 4
Answer:

Step-by-step explanation:
We can use the unity rule to solve this problem.
Number of toys made in m minutes = c
Number of toys made in 1 minute = 
Number of toys made in 60 minutes = 
Since 60 minutes = 1 hours, we can write:
Number of toys made in 1 hour = 
Therefore, we can say that Kevin makes
toys per an hour.
Answer:
Step-by-step explanation:
Mass of Antarctic iceberg - Mass of Rock Gibraltar=
= 4.55 * 10^{13} - 1.78 * 10^{12} = 45.5 * 10 ^{12}- 1. 78 * 10^{12}= 43.72 * 10^{12}
Answer: 43.72 * 10^12 kg