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ss7ja [257]
3 years ago
9

What is 3.405 written in expanded form

Mathematics
2 answers:
Eva8 [605]3 years ago
5 0
Not sure which expanded form you need it in. There's also expanded exponential form let me know if you need more assistance

Arlecino [84]3 years ago
3 0
3 + .4+.005 is the expanded form
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Henry ran five races, each of which was a different positive integer number of
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Answer:

10 miles.

Step-by-step explanation:

Let x be the number of miles on Henry's longest race.

We have been given that Henry ran five races, each of which was a different positive integer number of  miles.

We can set an equation for the average of races as:

\frac{\text{The sum distances of 5 races}}{5}=4

As distance covered in each race is a different positive integer, so let his first four races be 1, 2, 3, 4.

Now let us substitute the distances of 5 races as:

\frac{1+2+3+4+x}{5}=4

\frac{10+x}{5}=4

Let us multiply both sides of our equation by 5.

\frac{10+x}{5}*5=4*5

10+x=20

Let us subtract 10 from both sides of our equation.

10-10+x=20-10

x=10

Therefore, the maximum possible distance of Henry's longest race is 10 miles.

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