Writte the fraction and decimal represented by the model hellppp

Mathematics

1 answer:

Sav [38]3 years ago

7 0

Answer: 63/100 and 0.63

Step-by-step explanation: To find the fraction and decimal that is represented by this model, we first need to count how many cubes are shaded in. In the diagram shown, 63 of the cubes are shaded in and there is 100 of the cubes in total. the fraction 63/100 cannot be reduced so that is our answer. Now, let's turn 63/100 into a decimal. To write 63/100 as a decimal, remember that the bar that separates the numerator and denominator of the fraction is a division bar in disguise. This means that we can divided 63 by 100 and we will get 0.63 which is the equivalent decimal.

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What is the value of (5.38*10^4)(4.2*10^3) in scientific notation.

cricket20 [7]

First multiply the 5.38 and 4.2 together to get 22.596. We will deal with it in a bit. For the bases of 10, we will add the exponents giving us 10 to the 7th power. So this is what we have so far: $22.596* 10^{7}$ . But that decimal number has to be between 1 and 10 and it's too high so we have to move the decimal one more place to the left. When we do that, we are adding one more power to the 10. The final answer in scientific notation is $2.2596*10^8$