Which exponential expressions are equivalent to the one below? Check all that apply.
1 answer:
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Base 10 blocks are used to perform arithmetic operations.
To model the product of 3 and 0.51, Evan needs <em>3 copies of 5 tenths and 1 hundredths.</em>
The expression can be represented as:
Express 0.51 as 0.5 + 0.01
- 0.5 means 5 tenths
- 0.01 means 1 hundredths
- 3 means that, the above blocks are needed in three places.
Hence, Evan needs <em>3 copies of 5 tenths and 1 hundredths.</em>
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Read more about base 10 blocks at:
<h2>How to find the cost per can</h2>
To find the cost per can, we can divide the total cost by the number of cans.
Total cost: $5.55
Number of cans: 12
The cost per can will be:
$0.4625 per can
How about Food Lion?
<h2>Food Lion</h2>Total cost: $2.75
Number of cans: 6
The cost per can will be:
Around $0.4583 per can
<h2>Comparing</h2>BiLo: $0.4625
Food Lion: around $0.4583
As we can see, Food Lion has a better cost per can, as it costs less to buy each can of Pepsi.
Answer: Food Lion has a better cost per can