You move the decimal to the left three places, so it is 10³
2.5 * 10³
Hope this helped :)
Answer:
21/55
Step-by-step explanation:
dividamos por 5
= 21/55
Ok so we have 7:00 pm and she spends 12 more hours over.
Now lets count up 12 hours
=19
You could also just do 7+12! :)
So therefore, she spend 19 hours had her friends house! :D
Hope this helps!
Answer:
$55
Step-by-step explanation:
For this question you would have to multiply
6.50*8 which equals $52
Then add 3 dollars for the total 52+3=55
The fact that it takes Earth 365 days to move year in and year out has been known for many centuries. Even before heliocentric and geocentric models were introduced, people were already familiar with the 365 day period. Perhaps Galileo would be the answer, but hasn't been truly defined as to who first observed this.