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
Reptile [31]
2 years ago
12

Harry reads that a particular element has an atom with a mass of 0.000000000012 grams. What is the weight of the atom expressed

in scientific notation?
A.
1.2 × 10-9 grams
B.
1.2 × 10-11 grams
C.
1.2 × 1011 grams
D.
1.2 × 1012 grams
Mathematics
1 answer:
TEA [102]2 years ago
8 0

Answer:

Since this number is small we know that the exponent will be negative.

In scientific notation the decimal must be between the first two NON zero numbers. So move the decimal and count how many positions it was moved.

1.2 x 10 ^-11

Step-by-step explanation:

You might be interested in
Lillian works 7hours each day for 5 days a week she earn £420 each week how much does she earn per hour
frosja888 [35]

Answer:

£12 per hour

Step-by-step explanation:

7 × 5 = 35 hours

35 h : 420

1 h : x

x = 420×1 / 35

= £12 per hour

8 0
3 years ago
4 1/2÷ 1 1/4 correctly answer in simplest form​
g100num [7]

Answer:

3 3/5

Step-by-step explanation:

5 0
3 years ago
When two six-sided dice are rolled what is the probability that the product of their scores will be greater than six?
Pachacha [2.7K]

Answer:   \bold{\dfrac{11}{18}}

<u>Step-by-step explanation:</u>

Think of the products row by row:

11  12  13  14  15  16  - 0 products greater than 6

21 22 23 24 25 26  - 3 products greater than 6

31 32 33 34 35 36  - 4 products greater than 6

41 42 43 44 45 46   - 5 products greater than 6

51 52 53 54 55 56  - 5 products greater than 6

61 62 63 64 65 66  - 5 products greater than 6

\dfrac{\text{number greater than 6}}{\text{total possible outcomes}}=\dfrac{22}{36}=\dfrac{11}{18}\ when\ reduced

8 0
2 years ago
Read 2 more answers
Which triangles in the diagram are congruent?
GenaCL600 [577]

Answer: triangle 1, triangle 2, and triangle 3

Step-by-step explanation:

Triangles 1 and 3 are congruent by SAS. So, by CPCTC, all three sides are congruent, making triangle 2 congruent to them as well by SSS.

4 0
2 years ago
How do you work this problem
ankoles [38]
 An easy way is to do it, if you get confused by multiplying fractions, is by turning the fractions into decimals. Since you are trying to find N you want to multiply the 1/5 by the 1/3.

1/5 = 0.2

1/3 = 0.33333333333333333333333333333333

 if you multiply those you get 0.06666666666666666666666666666667 which when put into a fraction it equals 1/15



but if you don't want to do that just try to remember that you want to get by itself. and when multiplying fractions in this situation the bottom numbers only matter.. so 5 x 3 = 15  1/15

would you like me to put it in a document to show you?
7 0
3 years ago
Other questions:
  • Can somebody help me with this question ;-;​
    14·1 answer
  • Jack is a college athlete who has been weighing himself weekly on the same scale in the athletic center for the past few years.
    12·1 answer
  • Last year total sales for your grocery store were $10,342 with returns of $214 and discounts of $599.
    11·1 answer
  • What is a demand schedule?
    11·1 answer
  • Help please anybody
    14·1 answer
  • How do I solve for x ?X +8=-15
    7·2 answers
  • Which division problem does the number line best illustrate
    12·1 answer
  • Which of the following is NOT an arithmetic sequence?
    11·1 answer
  • Find the range and interquartile range of the data.
    7·1 answer
  • WILL MARK BRANLIEST:)))
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!