1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
LenKa [72]
2 years ago
5

What is 521,000,000 expressed in scientific notation? A. 5.21x 10^8 B. 5.21x10^9 C. 0.521x10^-9 D. 0.521x10^9

Mathematics
1 answer:
Vladimir [108]2 years ago
5 0

Answer:

A. 5.21*10^{8}

Step-by-step explanation:

Multiplying by 10^{n} moves the decimal point n places to the right.

Doing so 8 times for 5.21 gives 521,000,000.

You might be interested in
Mr. Keller bought a car for $20,000. A study shows that a car will depreciate (go DOWN in value) by 15% each year. How much is M
Aneli [31]
Average annual value lost: $7,390.65First-year depreciation: $3,000.00Total depreciation: $11,125.89Total depreciation percentage: 55.63%Value of vehicle at end of ownership period: $8,874.11
see attachment for graph


7 0
4 years ago
What is 8/3 plus 3/7
miskamm [114]
I believe that would equal 65/21

hope that helps!
3 0
4 years ago
Read 2 more answers
A store owner is stocking shelves.he places 37 eight-ounce packages of cheese on a shelf then he puts 24 ounce cheese on the sam
dangina [55]
There are 37 eight ounce of cheese.
37 times 8 =  296 ounces of cheese.
There are 16 ounces in a pound, so divide.
296/16 = 18.5 pounds on the shelf.

Then he places 24 ounce of cheese on the shelf. Divide that by 16.
24/16 = 1.5 pounds.

Add the pounds together-
18.5 + 1.5 = 20 pounds (lbs)
7 0
3 years ago
the sum of kyras and calebs age is 37. calebs age is equal to twice the quantity of kyras age decreased by 4. let k represent ky
nasty-shy [4]
Caleb - c
Kyras - k

k+c=37
c=2k-4

k+(2k-4)=37
3k=41
k=41/3= ~13.67 years old

c=37-k
c=(111-41)/3
c=70/3=~23.33 years old
7 0
3 years ago
Fabric comes in rolls that are 60 inches wide. Draw a diagram of how you can cut the fabric from a roll that is 10 feet long. Te
Aloiza [94]
All I know is 2k is lit
5 0
3 years ago
Other questions:
  • Solve for x. 4−(2x+4)=5
    7·1 answer
  • The histogram below shows the age distribution of Elizabeth’s grandchildren.
    10·2 answers
  • The endpoints of a line segment are G(1,7) and H(-3,11). Find the coordinates of the midpoint M.
    10·1 answer
  • A 96 ​-inch board is cut into two pieces. One piece is five times the length of the other. Find the lengths of the two pieces.
    8·1 answer
  • 4 game dice have been rolled out. Find the probability that all of the same points will drop.
    8·2 answers
  • Mrs.Hameay is making outfits for the school dance team. She can make 1/4 of an outfit per day. How many days should it take Mrs.
    15·1 answer
  • Solve each equation by substitution
    6·2 answers
  • PLS HELP I WILL GIVE BRAINLIEST!
    7·2 answers
  • 2.6432 rounded to the nearest tenth
    11·2 answers
  • 1. The equation y = -x2 - 2x + 8 is graphed on the
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!