4 years ago

1. 172,900,000 how can u convert this number into scientific notation

Mathematics

1 answer:

trapecia [35]4 years ago

6 0

Answer:

1.72900000 X 10 to the eighth power

Step-by-step explanation:

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how much land are they all in total? well, is just their product.

let's firstly convert the mixed fractions to "improper" and then multiply.

$\bf \stackrel{mixed}{2\frac{7}{9}}\implies \cfrac{2\cdot 9+7}{9}\implies \stackrel{improper}{\cfrac{25}{9}}
\\\\\\
\stackrel{mixed}{2\frac{1}{5}}\implies \cfrac{2\cdot 5+1}{5}\implies \stackrel{improper}{\cfrac{11}{5}}
\\\\\\
\cfrac{25}{9}\cdot \cfrac{11}{5}\implies \cfrac{25}{5}\cdot \cfrac{11}{9}\implies \cfrac{5}{1}\cdot \cfrac{11}{9}\implies \cfrac{55}{9}\implies 6\frac{1}{9}$

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3 years ago

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If one would dissolve 60g of sugar in 300g of water, what would the concentration of sugar in this syrup be?

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Density of water = 1000 kg/m^3
1 m^3 = 1000 litres

Therefore,
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Then, 300 g of water = 300/1000 l = 0.3 l

The concentration of the syrup = mass/amount of water = 60 g/0.3 l = 200 g/l

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4 years ago

Lola has a total of 45 beads. Some are black and some are white. The ratio of the number of black beads to the number of white b

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Answer:

The answer is 35:10

Step-by-step explanation:

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Write 3.01 as a mixed number in simplest form

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