5y - 20 < 0...add 20 to both sides
5y < 20...divide both sides by 5
y < 20/5
y < 4 (this states that y is less then 4)
Therefore, the greatest integer that y could be is 3 (because integers cannot be fractions, they have to be whole numbers)
The marker should be 26400 feet away from the starting point
Answer:
(a) 
(b) We use the property of exponent that when there is multiplication of two function then there exponent are added
Step-by-step explanation:
We have given expression

(a) We have to find the value of a
We know the property of exponent that when there is multiplication of two function then there is addition of exponent
So 


(b) We use the property of exponent that when there is multiplication of two function then there exponent are added
Standard form: 100,000,000 (100 million)
Scientific form: 1 * 10
.