3 years ago

PLEASE HELP DUE TODAY!!

Mathematics

1 answer:

telo118 [61]3 years ago

7 0

9514 1404 393

Answer:

2.8¢, true

Step-by-step explanation:

The value of copper in a penny is reportedly about ...

(0.95 × 3.11 g)×(1 oz)/(28.35 g)×($0.27/oz) ≈ $0.028

Today, the value of the copper in a pre-1982 penny is about 2.8¢, more than double the value of the penny as legal tender.

The claim is true.

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2 years ago

Margaret deposits $1,000 in a savings account that pays 1.4% interest compounded

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Answer:

The balance after 1 year is;

$1,014.05

Step-by-step explanation:

To do this, we use the compound interest formula

That will be ;

A =P (1 + r/n)^nt

A is the amount generated which we want to calculate

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this the number of years which is 1

we have this as:

A = 1,000( 1 + 0.014/2)^(2*1)

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A = 1,000(1.007)^2

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3 years ago