Answer:
The result in standard form is: 
Step-by-step explanation:
Dividing the values:
To find the real part, we divide 2.645 by 1.15. So
2.645/1.15 = 2.3
Finding the power:
Its a division, so we keep the base, and subtract the exponents. So

Result in standard form:
The result in standard form is: 
5 for 2.40
2.40 x 2 is 4.80 for 10 cans which is cheaper than 6.50
D
100% - 58% = 42%
the key is to equal it out
Answer:
10
Step-by-step explanation:
Any number subtracted by its self will be zero.
For example:
1-1=0
2-2=0
3-3=0
4-4=0...