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3 years ago

The number 320 million written in scientific notation would be _____.

2 answers:

lisabon 2012 [21]3 years ago

6 0

The scientific notation: $a\cdot10^n\ where\ 1\leq a < 10\ and\ n\in\mathbb{Z}$

$320\ milion=320\cdot1,000,000=320\cdot10^6=3.2\cdot10^8$

Answer: B. 3.2 × 10^8

Arturiano [62]3 years ago

3 0

Scientific notation is the form of expressing a very large or very small number. In this case, million means there are 6 zeros after the number. since 320 can still be simplified to 3.2 x10^2. we can add 2 to 6 to make the scientific notation equal to B.3.2 × 108.

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Evan lives in Stormwind City and works as an engineer in the city of ironforge in the morning he has three Transportation option

denis-greek [22]

Answer:

The probability that he teleports at least once a day = $\mathbf{\frac{5}{9}}$

Step-by-step explanation:

Given -

Evan lives in Stormwind City and works as an engineer in the city of ironforge in the morning he has three Transportation options teleport ride a dragon or walk to work and in the evening he has the same three choices for his trip home.

Total no of outcomes = 3

P( He not choose teleport in the morning ) = $\frac{2}{3}$

P( He not choose teleport in the evening ) = $\frac{2}{3}$

P ( he choose teleports at least once a day ) = 1 - P ( he not choose teleports in a day )

= 1 - P( He not choose teleport in the morning ) $\times$ P( He not choose teleport in the evening )

= $1 - \frac{2}{3}\times\frac{2}{3}$

= $\frac{5}{9}$

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3 years ago

A washer and a dryer cost 634 dollars combined. The washer cost 66 dollars less than the dryer. What is the cost of the dryer?

Nutka1998 [239]

Steps to Solve:

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2. 317 + 66 = 383

Answer:

A = $383

Notes:

Read the question, this problem is not that hard to solve!

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Marina86 [1]

Answer:

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Step-by-step explanation:

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sergiy2304 [10]

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WARRIOR [948]

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