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3 years ago

Match the numbers in scientific notation with the corresponding numbers in standard notation. 2.32E9

Mathematics

1 answer:

andre [41]3 years ago

8 0

Complete question :

Match the numbers in scientific notation with the corresponding numbers in standard notation.

232,000,000

0.00000431

2,320,000,000

0.000000000000431

2.32E9

2.32E8

4.31E-13

4.31E-6

Answer:

2.32E8 = 232,000,000

2.32E9 = 2,320,000,000

Step-by-step explanation:

2.32E8 - - > 8 digits after the decimal point ; 232,000,000

2.32E9 - - > 9 digits after the decimal point ;

2,320,000,000

4.31E-13 - - > 13 preceeding 0's before digit '4' ; 0.000000000000431

4.31E-6 - - > 6 preceeding 0's before digit '4' ; 0.000000000000431

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Answer:

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Step-by-step explanation:

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= $\frac{22}{7}$ x 25 x 9

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Volume of ice cream in the cylindrical tub is 707.14 cubic inches.

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volume of the 37 scoops = 37 x 8.1845

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3 years ago

doug has 45 coins worth $9.00. The coins are all quarters or dimes. How many of each type of coin dose doug have?

Kaylis [27]

Doug have 30 quarters and 15 dimes.

Step-by-step explanation:

Given,

Number of coins = 45

Worth of coins = $9.00 = 9.00*100 = 900 cents

Each quarter = 25 cents

Each dime = 10 cents

Let,

x be the number of quarters

y be the number of dimes

According to given statement;

x+y=45 Eqn 1

25x+10y=900 Eqn 2

Multiplying Eqn 1 by 10

$10(x+y=45)\\10x+10y=450\ \ \ Eqn\ 3$

Subtracting Eqn 3 from Eqn 2

$(25x+10y)-(10x+10y)=900-450\\25x+10y-10x-10y=450\\15x=450$

Dividing both sides by 15

$\frac{15x}{15}=\frac{450}{15}\\x=30$

Putting x=30 in Eqn 1

$30+y=45\\y=45-30\\y=15$

Doug have 30 quarters and 15 dimes.

Keywords: linear equation, elimination method

Learn more about elimination method at:

#LearnwithBrainly

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