Explain how place value helps you add decimals

Mathematics

2 answers:

vodomira [7]3 years ago

5 0

Answer:

so you have thousand hundreds tens and ones with decimals how I think about it is if its asking you for the tenths space then you know that youll put the decimal in between the tenths and hundreds

agasfer [191]3 years ago

3 0

Answer:

When adding decimals, you must first line up all the decimal points in a column. Lining up the decimal points ensures that each digit is in the proper place-value position. You can then add digits in the same place-value position to find the sum.

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Eight people attend the theater "together and sit in a row with exactly eight seats. Suppose the eight people consist of three m

Nata [24]

Answer:

They can be seated in 120 differents ways.

Step-by-step explanation:

Taking into account that there are 3 couples and every couple has an specific way to sit, for simplify the exercise, every couple is going to act like 1 option and it's going to occupy 1 Place. If this happens we just need to organize 5 options (3 couples and 2 singles) in 5 Places (3 for a couple and 2 for the singles)

It means that now there are just 5 Places in the row and 5 options to organized. So the number of ways can be calculated using a rule of multiplication as:

5 * 4 * 3 * 2 * 1 = 120

1st place 2nd Place 3rd place 4th Place 5th Place

Because we have 5 options for the 1st Place, the three couples and the 2 singles. Then, 4 options for the second Place, 3 options for the third place, 2 for the fourth place and 1 option for the 5th place.

Finally, they can be seated in 120 differents ways.

8 0

3 years ago

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arsen [322]

It’s (-1,0), because

5 0

3 years ago

Read 2 more answers

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Bingel [31]

2(2/5+1/5)=2•3/5=6/5=1 1/5
Answer is C