The first one, the opposite of any negative number is the same number but positive...and vise versa.
Answer:
5⁷
Step-by-step explanation:
5*5*5*5*5*5*5
here,
count how many 5 are there - 7
so,
<u>exponential notation form:</u>
5*5*5*5*5*5*5 = 5⁷
Answer:
$0.4
Step-by-step explanation:
Unit cost = cost / number of items
Unit cost = 2/5
2 divided by 5
Answer:
8 months
Step-by-step explanation:
Subtract $150 from $430 to get $280, the amount if money that Manuel has to earn to reach his goal.
If he is adding $35 to his account each month, then all you have to do is divide the amount you need by the amount you are earning each month to get the number of months until you reach your goal.
$280 divided by $35 is 8, so it would take 8 months for Manuel to reach his goal.
54 percent
You add the two together to get 39, then divide 21 by 39. This gives you 0.538, which turns into 54%
