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1B. Find the sum of the following nine products: 1 × (10 – 1), 2 × (10 – 2), 3 × (10 – 3), … , 9 × (10 – 9).

1C. A square tablecloth covers an area of 256 sq. in. It is folded in half some number of times until the area that it covers is 8 sq. in. How many times was it folded in half?

1D. In a warehouse, a group of identical robots fills orders. In 10 minutes, 5 robots can fill 20 orders. If 8 robots worked at that same rate for an hour, how many orders would they fill?

1E. The number 2A5A0A2 is divisible by 99. What is the digit A?

Respuesta :

Answer:

b is 165 a is o

Step-by-step explanation:

arthishop

Answer:

1c) 5 times

Step-by-step explanation:

256/2 = 128

128/2 = 64

64/2 = 32

32/2 = 16

16/2 = 8

Now that we have divided the number by 2 since 1/2 is 2, we have 8.

Now all we need to do is count the number of 2's used to divided.

Then you will get your answer of 5.

M.O.E.Ms right?

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