king in ancient times agreed to reward the inventor of chess with one grain of wheat on the first of the 64 squares of a chess board. On the second square the king would place 2 grains of wheat. On the third square, 4 grains and on the fourth square, 8 grains. If the amount of wheat is doubled in this way on each of the remaining squares, how many grains should be placed on square 25? Also, find the total number of grains of wheat on the board at this time and their total weight in pounds. (Assume each grain
Unitary Method
The word “unitary” comes from the word “unit”, which means a single and complete entity. In this method, we find the value of a unit product from the given number of products, and then we solve for the other number of products.
Speed, Time, and Distance
Imagine you and 3 of your friends are planning to go to the playground at 6 in the evening. Your house is one mile away from the playground and one of your friends named Jim must start at 5 pm to reach the playground by walk. The other two friends are 3 miles away.
Profit and Loss
The amount earned or lost on the sale of one or more items is referred to as the profit or loss on that item.
Units and Measurements
Measurements and comparisons are the foundation of science and engineering. We, therefore, need rules that tell us how things are measured and compared. For these measurements and comparisons, we perform certain experiments, and we will need the experiments to set up the devices.
A king in ancient times agreed to reward the inventor of chess with one grain of wheat on the first of the 64 squares of a chess board. On the second square the king would place 2 grains of wheat. On the third square, 4 grains and on the fourth square, 8 grains. If the amount of wheat is doubled in this way on each of the remaining squares, how many grains should be placed on square 25? Also, find the total number of grains of wheat on the board at this time and their total weight in pounds. (Assume each grain weighs 1/7000 of a pound)
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