We appreciate your visit to Keira divided 123 52 by 3 2 and got 38 6 Without using a calculator how could she check to determine if her answer is. This page offers clear insights and highlights the essential aspects of the topic. Our goal is to provide a helpful and engaging learning experience. Explore the content and find the answers you need!
Answer :
Answer:
Keira could use estimation to check her answer. 123.52 is about 120 and 3.2 is about 3. And 120 divided by 3 is 40. This is close to her answer, so it is reasonable.
Step-by-step explanation:
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Rewritten by : Barada
Euclid's division lemma is useful for checking the division of two numbers. To check her answer Keira can used Euclid's division lemma.
What is Euclid's division lemma?
Euclid's division lemma states that for two positive integers c and d there exist unique integers a and b such that d = ac + b.
It can be used to find the HCF of two numbers.
Given that,
The number divided by Keira, Dividend = 123.52
The number used for division, Devisor = 3.2
The product of division which is called Quotient = 38.6
Remainder is not given, it is taken as 0.
In order to check the calculation without a calculator, Euclid's division lemma has to be used,
According to Euclid's division lemma,
Dividend = Devisor × Quotient + Remainder
Substitute all the values to get,
123.52 = 3.2 × 38.6 + 0
The RHS of the above equation is,
3.2 × 38.6 = 123.52
Thus, the Euclid's lemma is true for the given calculation.
Hence the given calculation is proved true by Euclid's division lemma.
To know more about Euclid's division lemma click on,
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