0.00002165 in scientific notation.

Mathematics

1 answer:

USPshnik [31]1 year ago

8 0

Answer:

2.165 × 10⁻⁵

Step-by-step explanation:

Move the decimal -5 places to the right. For every scientific notation, 10 is the default number you are <em>multiplying the decimal by.</em> The exponent is the number of places you moved the decimal point. The exponent is positive when moving left, negative when moving right.

<em>Hope it helps!</em>

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noname [10]

Answer:

$169.96 dollars

Step-by-step explanation:

Given the following questions:

8.25% of 22.55 and 134.45

In order to find the answer, we will have to add the initial costs of the items together, then we will calculate using the formula for percentages to find the tax rate.

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<u>Calculate the percentage:
</u> $\frac{p\times c}{100}$
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<u>Add the sales tax:</u>
$157+12.96=169.96$
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Which means the two items along with an 8.25% sales tax costs "$169.96 dollars."

Hope this helps.