$81.40-$9.00=$72.40
$72.40/.4 (cents)= 181 minutes
Answer:
0,00027 grams!
Step-by-step explanation:
This is a scientific notation problem.
When a number is followed by a 
, it means that said number has one zero at the beginning.
In this case, the number is followed by 
, so that means that 2.7 has four zeros at the beginning. So, 2.7x grams is equal to 0,00027 grams! (always the comma goes after the first zero).
Answer:
4900
Step-by-step explanation:
70^2 means 70*70
70*70=4900
There is so solution to this problem
Answer:
1, 3, 5
Step-by-step explanation:
They're odd, consecutive, and equal 9.
