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How many triangle combinations are there in a 4x4 grid?
16*15*14/4*3*2 = 140
How many grid squares should you shade to represent 0.49 ml of Hydrogen peroxide?
That depends upon how many grid squares you have in total and the largest value you have to represent. Wherever possible, you should arrange that each square that you have to shade represents either a divisor or a simple fraction of all the values you have to represent. With 0.49 ml as one of the values, it is unlikely that the values you will have to represent are all multiples of 0.49 ml; nor are they all likely to be multiples of 0.07 ml. So unless you use 1 grid square to represent 0.01 ml you are going to have to shade a fraction of a grid square. Once you have chosen how much each grid square will represent, or have been given the value to use, divide the 0.49 by this value to find out how many grid square to shade: If each grid square represents 0.01 ml, shade 0.49 ÷ 0.01 = 49 of them If each grid square represents 0.02 ml, shade 0.49 ÷ 0.02 = 24 1/2 of them If each grid square represents 0.04 ml, shade 0.49 ÷ 0.04 = 12 1/4 of them If each grid square represents 0.05 ml, shade 0.49 ÷ 0.05 = 9 4/5 of them If each grid square represents 0.10 ml, shade 0.49 ÷ 0.10 = 4 9/10 of them etc.
How many squares and rectangles are there in a 2 by 2 grid?
9
How many squares are in a 2 x 2 grid?
4 squares in a 2 by 2 grid 9 squares in a 3 by 3 grid 16 squares in a 4 by 4 grid 25 squares in a 5 by 5 grid 36 squares in a 6 by 6 grid 49 squares in a 7by 7 grid 64 squares in a 8 by 8 grid 81 squares in a 9 by 9 grid 100 squares in a 10 by 10 grid
How many squares are there in a 2 by 2 grid?
2 x 2 = 4 squares
