3 years ago

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Mathematics

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RoseWind [281]3 years ago

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A typical snake bite delivers 0.0045 grams of venom. Maria and Tammy were asked to write this number in scientific notation. The

Stolb23 [73]

Answer:

Maria

Step-by-step explanation:

A typical snake bite delivers 0.0045 grams of venom.

Maria wrote it in scientific notation as $4.5\times 10^{-3}$

Tammy wrote it in scientific notation as $4.5\times 10^{3}$

Any number can be written in the form of scientific notation as follows :

$N=a\times 10^b$ (a is real no and b is integer)

The given no is 0.0045.

There are 2 zeroes before 4. Also the decimal is there before 2 zeroes.

$0.0045=\dfrac{45}{10000}\\\\=\dfrac{45}{10}\times \dfrac{1}{1000}\\\\=4.5\times 10^{-3}$

Hence, Maria is correct.

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3 years ago

Sally is selling strawberries at the farmer’s market. She sells 5 boxes in the morning, and then sells half of the remaining box

Vilka [71]

Answer:

23 boxes

Step-by-step explanation:

x=5+9*2

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What is the sales tax on a chair with a price tag of $180, if the tax rate is 5.75%?

Anuta_ua [19.1K]

Answer:

$190.35

Step-by-step explanation:

180 ⋅ 0.0575 = 10.35

Add 180 to 10.35

$190.35

(I could be wrong. Sorry if I am)

Hope I helped :)

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Evie is wrapping a gift. The give is 12 inches long, 4 inches wide, and 6 inches tall. How much wrapping paper will Evie need?

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<h2>çevirisi mi lazım sa yazabilirim</h2>

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Solve for y:<br><br> 2y-2=4y+2

Alex73 [517]

Answer:

2y-4y=2+2.

-2y=4.

y= -2.

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