Identity thieves can use your personal information to

1 answer:

3 0

It all depends of what kind of info they got. They could potentially use your money to buy things online, sign up for things under your name, withdraw money from your bank account.

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TCompute the total and annual returns on each of the following investments. Round to one decimal place. Twenty years after pur

lara31 [8.8K]

The total annual returns on each of the following investments would be 65 times 11,300 and the answer you’ll get divide by 2

3 0

3 years ago

.<br> Evaluate the series 1 + 0.1 + 0.01 + . . .

EastWind [94]

We can employ a simple repeated decimal trick:

$x=1.111\ldots$

$0.1x=0.111\ldots$

$\implies x-0.1x=1\implies0.9x=1\implies x=\dfrac1{0.9}=\dfrac{10}9$

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Alternatively, we can compute the partial sum of the series.

$\displaystyle S_n=\sum_{k=0}^n\dfrac1{10^k}$

$S_n=1+0.1+0.01+\cdots+\dfrac1{10^n}$

$0.1S_n=0.1+0.01+0.001+\cdots+\dfrac1{10^{n+1}}$

$\implies S_n-0.1S_n=0.9S_n=1-\dfrac1{10^{n+1}}$

$\implies S_n=\dfrac{10}9-\dfrac9{10^n}$

As $n\to\infty$ , the second term vanishes and we're left with $\dfrac{10}9$ . Notice that this is really just a more formal version of the earlier trick.