Understand the problem: Understand the problem.We need to multiply 0.5 by 47.
Multiply whole numbers: Multiply the numbers as if they were whole numbers.Since 0.5 is the same as 5 tenths, we can think of this as 5×47.5×47=235
Adjust for decimal place: Adjust for the decimal place in the original problem.0.5 has one decimal place. Since we multiplied as if they were whole numbers, we need to account for this decimal place in our product.We move the decimal one place to the left in 235 to get the correct answer.235 becomes 23.5
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