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What is the rule when adding decimals?
keep your decimals in the right position
What symbols do you use?
plus sign (+), minus (-), number (#), decimal point for decimals and money, percent (%), dollar sign ($), equal (=)
How do you write decimals in tenths?
Move the decimal place one position to the right and you will have an equivalent number in tenths of a unit.
How many decimals would 535 billion have?
None. A decimal is a way of representing numbers in such a way that the place value of each position in the number is ten times that of the position to its right.
How do you plus decimals?
Treat them exactly like you would adding up whole numbers but align all the columns so that the decimals points are all in line/column and carry this point (and its position) down into the answer. 077.2 033.05 110.91 -------- 221.16
What is the rule when adding decimals?
keep your decimals in the right position
Why do you line up the decimals when adding decimals?
Because left of the decimal point goes times 10 for every position and right of the decimal point goes times -10 for every position.
How many symbols did the decimal system of Ancient Egypt have?
Ancient Egyptians did not have the concept of decimals; they did not even have the concept of zero.
What symbols do you use?
plus sign (+), minus (-), number (#), decimal point for decimals and money, percent (%), dollar sign ($), equal (=)
410×10 changes to decimals?
Actually, to convert 410 × 10 to decimals, you move the decimal point one position to the right, resulting in 4100.
How do you write decimals in tenths?
Move the decimal place one position to the right and you will have an equivalent number in tenths of a unit.
How many decimals would 535 billion have?
None. A decimal is a way of representing numbers in such a way that the place value of each position in the number is ten times that of the position to its right.
What symbol correctly compares two fractions?
You can use the same symbols that you use to compare integers or decimals: equal, greater than, greater-than-or-equal, etc.
How can you relate decimals to a place-value chart?
5321.0978 (is the example) 5 is in the thousands position (1,000) 3 is in the hundreds position (100) 2 is in the tens position (10) 1 is in the ones position (1) 0 is in the TENTH'S (1/10) position 9 is in the HUNDREDTH'S (1/100) position 7 is in the THOUSANDTH's (/1000) position 8 is in the TEN-THOUSANDTH'S (10000) position
What are signs for decimals?
terminating decimals and repeating decimals
How do you plus decimals?
Treat them exactly like you would adding up whole numbers but align all the columns so that the decimals points are all in line/column and carry this point (and its position) down into the answer. 077.2 033.05 110.91 -------- 221.16
How is dividing decimals similar to dividing whole numbers?
In that you carry out exactly the same steps - AND you must determine the correct position of the decimal point.
