Any number to the power of 0 equals 1. So, we can rewrite the equation as follows:
Answer:
Step-by-step explanation:
Part A:
Mark did not round to the nearest hundreds, he rounded to the nearest tens.
Option A (Incorrect):
271 and 582 are normally not rounded down, unless we are using limits coming from the left and a unique equation.
Option B (Incorrect):
271 as the same problem as option A, but 582 rounding to 600 is correct. It doesn't make sense to round both numbers differently, unless stated.
Option C (Incorrect):
271 rounding to 300 is correct, but 582 is not normally rounded down to 500 unless we are using limits coming from the left and a unique equation. Unless stated, don't round both numbers differently.
Option D (Correct):
271 rounded to 300 and 582 rounded to 600 looks correct for rounding to the hundreds.
Part B:
There are two ways to solve this question:
One way:
271 + 582 = 853
Round 853 to the nearest hundred for 900
(Note: Round 853 to the nearest tens for 850.)
Second way:
271 + 582
Round Numbers:
300 + 600
= 900
Answer:
P ($1 or $5) = 5/6
Step-by-step explanation:
There are 6 $1
There are 4 $5
There are 2 $10
There are a total of 12 spaces
P ($1 or $5) = ($1 or $5)/ total
There are 6 ones and 4 fives
= (6+4)/ 12
= 10/12
Divide the top and bottom by 2
=5/6
Running laps and timing them
