Need these in 10 mins: Solve by substitutions 1) X+Y=6 3x+2y=15 2 2x+Y=20 3) 6x-SY=r
1 answer:
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We have to express the number 304,800,400 in standard and expanded form.
The expanded form is shown as a sum of each digit multiplied by its matching place value. Let us express the number in expanded from.
So, 304,800,400 =
=
So, this is the expanded form of the given number.
Standard form is a way of writing down very large or very small numbers easily.
The standard from of the number is:
304,800,400 = .
Answer:
The correct answer is "decrease, 1,280 feet".
Step-by-step explanation:
The given values are:
Rate or speed,
= 320 feet per hour
1 pm to 5 pm means,
t = 5 - 1
= 4 hours
Now,
The net change in distance will be:
⇒
⇒
Thus the above is the correct approach.