What is 5.2E11 in scientific notation

Answers

Answer 1

Answer: 5.2E11 is the equivalent of scientific notation when you use a calculator.

5.2 x 10¹¹ is its written form.

5.2 is the coefficient.
10 is the base
11 is the exponent

5.2 x 10¹¹ in standard form is 520,000,000,000

Answer 2

Answer: You're going to multiply by a factor of 11 or move the decimal place 11 places over to the right. Your answer is 520,000,000,000 or 520 billion.

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Reese read twice as many pages Saturday than she read Sunday. If she read a total of 78 pages over the weekend, how many pages did Reese read Sunday?
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a total of 234 tickets were sold for the school play. they were either adult tickets or student tickets. the number of students tickets sold was two times the number of adult tickets sold. how many adult tickets were sold.

Answers

Answer:

78 adult tickets were sold

2x + x = 234

3x = 234

x = 78

NOT JUST THE ANSWER!! NEED STEP BY STEP ANSWER.
6(y+3)=24

Answers

Step-by-step explanation:

first multiply 6 by y and then 3

6×(y+3) = 24

6y + 18 = 24

6y = 24 -18

6y=6

y=1

My locker combination has three digits. None of the digits are 0. What is the probability that the first digit of my locker combination is greater than 6?

Answers

Answer: There's a 3/10th chance its greater than 6.

Step-by-step explanation:

What is the inverse function of d(x)= 2x-4

Answers

Formula for inverse function:
$d^(-1)(y)=?\ny=2x-4\n2x=y+4\nx= (y+4)/(2)\n d^(-1)(y)= (y+4)/(2)$

$y=2x-4 \n Replace \ x \ by \ y:\n x=2y-4\n Isolate \ y:\n 2y=x+4\n y=(x+4)/(2)\n \n \boxed{d^(-1)(x)=(x+4)/(2)}$

Timers at a track meet used four different clocks to time an event. Which recorded time is the most precise?31.3 s

31.26 s

31 s

31.256 s

Answers

(d)31.256 is the most precise as it has most significant figures among them.

I would say 31.256s because it has 5 significant digits.

each can of paint will cover 450 tiles. Augustin is painting 300 tiles in his bathroom, 675 in his kitchen, and 100 in his hallway. How many cans of paint does he need to buy?

Answers

Answer:

He will need to buy 3 cans.

Step-by-step explanation:

First we need to know how many tiles he will paint.

The total amount of tiles he will paint is 300 + 675 + 100 = 1075 tiles.

We know that a can of paint will cover 450 tiles, therefore, we need to divide the total amount of tiles between the number of tiles covered by can:

1075/450 = 2.38.

He will need 2.38 cans of paint. But he cannot buy this number of cans, therefore he will have to buy 3 cans and will have some paint left.

You have to add all of the tiles that he needs painting. 675+300+100=1075. Then to figure out how many paint cans you need, divide 1075 by 450. It equals 2.388... so, you need to round up or else you will be missing some tiles. The final answer is 3 paint cans. Hope this helps

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