2 years ago

Reason is the value of the first 5 ten times as great as the value of the second 5 in 5045?

1 answer:

4 0

It is not. In the decimal system each column to the right is valued at powers of ten starting at zero and increasing as you move to the left...in a four digit number...the columns are valued at...

10^3, 10^2, 10^1, 10^0 which corresponds to...

1000, 1000, 10, 1 in this case the first digit is equal to

5(1000)=5000 the value of the last digit is 5(1)=5

So the first 5 is 1000 times as great as the second 5...

Hope this helps!

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2 years ago

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3 years ago

Use picture

enyata [817]

The second one will be the answer
X= -2 and -7