Answer:
y = 65
Step-by-step explanation:
45 + 57 = x + y
x = 37
45 + 57 = 37 + y
45 + 57 = 102
102 = 37 + y
102 = 37 + y
-37 -37
102 - 37 = 65
37 + y - 37 = y
65 = y
y = 65
Answer:
this is a ratio 5:6
Step-by-step explanation: lets say there are 5 apples and 6 pears the ratio would be 5:6
Answer:

Step-by-step explanation:
Both numbers are integers (not fractions)
if you write an integer in scientific notation:
1) inset a comma between first and second digit (3.70000000)
2) calculate all digits on the right side of insetting comma (there are 8 digits after a comma: 7,0,0,0,0,0,0,0)
3) a fraction from point 1) you multiply by 10 to the power, which is equal to a number of digits after comma (8)
4) according this tips, you have 
5) for a better notation, you may remove ending zeros
