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Formula for a penny every day for a month doubled every day?

If we call the day number "d", the number of pennies "n" and the number you are multiplying by each day "m": For how many pennies you get on a particular day: n = m^(d-1) If doubling: subtract 1 from the day number, then raise 2 to the power of that number (using indices) you get the number of pennies. For how many pennies you would have after a certain number of days: n = 1-(m^d)/(1-m) If doubling: raise 2 to the power of the day number, then subtract that from 1 (1st part-answer). Subtract 2 from 1 (2nd part-answer), then divide the 1st part-answer by the 2nd part-answer, and you get the cumulative number of pennies. NB: these formulas can be used for doubling, tripling, quadrupling, halving, quartering, etc. by replacing m with what you would multiply by, and can be used from any starting number. Just multiply your answer with your starting number


If you double the number of penny on each square on the chessboard how much money is it?

The answer depends on how many pennies on the first square. Assuming that was 1, then the total amount is exactly 2^65 - 1 pennies which is 184,467,447,037,095,516.15 Pounds (approx 184.5 quadrillion pounds).


Complete the number pattern below 3 6 12 24?

The next numbers in the sequences are 48, 96, 192, 384, etc. The pattern is that each subsequent number is a doubling of the previous number.


How many spaces can the queen move on the chessboard?

The queen can move any number of spaces in a straight line horizontally, vertically, or diagonally on the chessboard.


What increase faster doubling a number or squaring?

Squaring. Doubling is only multiplying a number by 2, whereas, squaring is multiplying a number by itself :)


Is it possible to make any number to one decimal place by doubling or near doubling?

no


What is the maximum number of moves a bishop can make from its starting position to reach rook 9 on the chessboard?

The maximum number of moves a bishop can make from its starting position to reach rook 9 on the chessboard is 7 moves.


Do a chessboard and a checkerboard have the same number of squares?

No, checkers have 64 and a chess has 204


What is the opposite of doubling a number?

The opposite of doubling a number is halving it. This is also known as multiplying by 1/2 or .5 or dividing by 2.


How do you figure out what is the number of the number cube?

You cannot. And not all number cubes have the numbers 1-6 on them. For example, a doubling cube for backgammon.You cannot. And not all number cubes have the numbers 1-6 on them. For example, a doubling cube for backgammon.You cannot. And not all number cubes have the numbers 1-6 on them. For example, a doubling cube for backgammon.You cannot. And not all number cubes have the numbers 1-6 on them. For example, a doubling cube for backgammon.


How you could use doubling to find the product 13 X 4?

Doubling a number is equivalent to multiplying by 2. Doubling twice (doubling, and then doubling the result again) is equivalent to multiplying by 4. (Also, doubling three times is the same as multiplying by 8, doubling 4 times is the same as multiplying by 16, etc.)


How many pennies are in a hundred dollars?

One multiplication will produce your answer: number of pennies in a dollar = 100 X number of dollars = 100 -------------------------------------------------- so number of pennies = 100 X 100 = 10,000 (ten thousand pennies) Basicaly, 10,000 pennies