Find the approximate answer by estimating each to the nearest hundred so Also, find the actual answer. (a) 2876 + 39850 (b) 9730 - 284 (c) 958 * 293 (d) 3616 + 226. (answer my question and will mark brain least)
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Find the approximate answer by estimating each to the nearest hundred so Also, find the actual answer. (a) 2876 + 39850 (b) 9730 - 284 (c) 958 * 293 (d) 3616 + 226. (answer my question and will mark brain least)
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The way it works is to break down the numbers as a sum of numbers. For example, 125 is 100+20+5 and 42 is 40+2. Afterwards, arrange these addends in a grid (hence the name) and multiply each addend to another (see diagram). Finally, add all the results inside the box to get the product.
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