If 400 g of chocolate sells for $12, "how much is the cost per kilogram?
1 answer:
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Answer:
In standard form 42=
In unit form, 42 as 4 tens 2 ones
Step-by-step explanation:
<u>Standard form</u>: It is the way of writing down the numbers easily in a very large or small numbers.
Rules for writing a number in standard form is that first you write down a number between 1 and 10, then multiply the number with 10(to the power of a number).
Now, to write
42 in standard form: .
Unit form: it is a form that express the number by giving the number of place value within the number.
Unit form of 42:
42 is written as 4 tens , 2 ones.
