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blagie [28]
2 years ago
14

What is the best estimate of 687 × 391? 280,000 210,000 240,000 180,000

Mathematics
2 answers:
ra1l [238]2 years ago
7 0

Answer:

Step-by-step explanation:

Estimating a sum by rounding to get the best estimate is the goal of this lesson. Notice that we try to estimate. We don't need to have an exact answer!

Notice that for numbers with two digits, there can only be one estimate because you can only round to the tens place.

Estimate the following sums: 36 + 21, 74 + 15, and 85 + 24

36 + 21 = 40 + 20 = 60

74 + 15 = 70 + 20 = 90

Colt1911 [192]2 years ago
3 0

Answer:

I used a calculator but the answer I got was different so I'ma say A

Step-by-step explanation:

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Step-by-step explanation:

5 0
2 years ago
The volume of a box(V) varies directly with its length(l). If a box in the group has a length of 25 inches and k = 15, what is i
Masja [62]
The problem says that V(x) varies directly with its length. This is a proportionality problem. So, V(x) = kl. If you are given a length of 25 inches and a k (proportionality constant) of 15, you are required to find its volume V(x).  

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<u>V(x) = 375 cubic inches</u>  
<span>
The volume of the box is 375 cubic inches.

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3 years ago
In a certain game of chance, your chances of winning are 0.2. if you play the game five times and outcomes are independent, the
ikadub [295]
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8 0
3 years ago
I need help solving number 11 please.
Mnenie [13.5K]

set up the triangle with the information given. then just solve for x.

3 0
3 years ago
Find the measure of &lt; AED for m &lt; BEC = 96
Strike441 [17]
I wish you would of put a picture but with what you gave me. if the angle is a straight line then you would just set it up like 96+x=180 bc a straight line ='s 180 and den subtract 96 from 180 which is 84 so x would = 84 if the angle is a supp. angle but til there's not a picture this might be wrong.
But i hope this helps have a nice nite!
5 0
3 years ago
Read 2 more answers
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