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3 years ago

Solve and express your answer in both scientific and standard notation.

Mathematics

2 answers:

swat323 years ago

7 0

Answer:

8.4 x 10^10 in scientifif notation is the same, in regular its 84000000000

3 x 10^7 in scientific notation is the same and in regular its 30000000

OLEGan [10]3 years ago

4 0

Answer:

8.4 x 10^10= 84000000000 (because 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10 x 10)

3 x 10^7 = 30000000 (because 10 x 10 x 10 x 10 x 10 x 10 x 10)

I hope this helps and brainlest please !

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Which of the following represents "five times the sum of a number and fifteen is fifty"?

Kisachek [45]

Yes, the correct answer is A because you're multiplying 5 by the expression (N+15)

6 0

3 years ago

Read 2 more answers

1 calcule o valor das expressões A) 2x+(3.4)²+(7.7) B) 3x+(2.6)+(8.8)² C)7.6+(28.3)+(4)² D)7x-(7.8)+(9:3)

I am Lyosha [343]

Answer:

Follows are the solution to the given points:

Step-by-step explanation:

Given:

$A) \ \ 2x+(3.4)^2+(7.7) \\\\B) \ \ 3x+(2.6)+(8.8)^2\\\\C)\ \ 7.6+(28.3)+(4)^2 \\\\D)\ \ 7x-(7.8)+(9:3)$

For point A:

$\to 2x+(3.4)^2+(7.7)\\\\\to 2x+(11.56)+(7.7)\\\\\to 2x+19.26\\\\$

For point B:

$\to 3x+(2.6)+(8.8)^2\\\\\to 3x+(2.6)+77.44\\\\\to 3x+80.04$

For point C:

$\to \ 7.6+(28.3)+(4)^2 \\\\\to \ 7.6+(28.3)+16 \\\\\to \ 7.6+44.3 \\\\\to 51.9$

For point D:

$\to 7x-(7.8)+(9:3)\\\\\to 7x-(7.8)+ \frac{9}{3}\\\\\to 7x- \frac{23.4+9}{3}\\\\\to 7x- \frac{32.4}{3}\\\\\to 7x- 10.8$

3 0

2 years ago

Write the equation of the line passing through point (-6,0) and perpendicular to y=3/2 x

aksik [14]

Answer:

option c

Step-by-step explanation:

explaination is in pic below

3 0

2 years ago

In a horse race with 5 horses, you make a bet by predicting the ranking of all 5 horses. Suppose you place your bet at random. W

lapo4ka [179]

Answer:

P( top two horses are predicted incorrectly in incorrect order)

= $\frac{1}{2}$

Step-by-step explanation:

In the horse race the outcome can be predicted in 5! = 120 ways.

Now suppose the top two horses were predicted incorrectly in incorrect order. Now, the top horse can be predicted incorrectly in 4 ways.

Suppose the top horse was predicted to be in k-th position where k = 2, 3 ,4,5

so the second horse can be predicted to be in place from 1 to (k - 1)

So, the top two horses can be predicted incorrectly in incorrect order

in $\sum_{k =2}^{5}(k - 1)$ = 10 ways

and for each prediction of the two the remaining horses may be predicted in 3! = 6 ways.

Hence ,

P( top two horses are predicted incorrectly in incorrect order)

= $\frac{6 \times 10}{120}$

= $\frac{1}{2}$

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2 years ago

Alex paints a total of 9 dollhouses using 2 cans of paint. How many dollhouses can Alex paint with each can of paint?

hichkok12 [17]

4 and a half houses per can of paint

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3 years ago