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
Fofino [41]
3 years ago
10

Write 2.71x10-3 as an ordinary number.​

Mathematics
1 answer:
Katyanochek1 [597]3 years ago
5 0

Step-by-step explanation:

{2.71 \times 10}^{ - 3}

This can be rewritten as

2.71 \times  \frac{1}{10^{3} }

If we will solve this way,

\frac{2.71}{1000}  = 0.00271

But since the denominator is just in terms of 1, we can just simply get the (-3). Note that we have to take the negative into consideration.

From the original position of the decimal point, move the decimal point 3 times TO THE LEFT. Therefore, from 2.71 we move the decimal point 3 times to the left, 0.00271.

If the exponent has a positive value, move TO THE RIGHT.

For example,

2.71 \times  {10}^{3}  = 2.71 \times 1000 \\  = 2710

Note that the exponent has a positive value. Therefore, we have to move the decimal point 3 times TO THE RIGHT. Producing 2710 as the answer.

You might be interested in
Which line is the graph of y= 2x - 1?
melamori03 [73]

Answer:

The points are (0,-1) and (1,1)

Step-by-step explanation:

8 0
3 years ago
A die with six faces has the number 1 painted on three of its faces, the number 2 painted on 2 of its faces, and number 3 on one
salantis [7]

Answer:

a) S = {1, 2, 3}

b) P(odd number) = \frac{2}{3}

c) No

d) Yes

Step-by-step explanation:

a) The sample space is the set of all possible outcomes. By definition, the elements of a set should not be repeated. Hence, the sample space S = {1, 2, 3}

However, the sample is not equiprobable because each element has different probabilities.

b) P(odd number) = \frac{number of odd digits}{number of faces}=\frac{4}{6}=\frac{2}{3}

Note that the odd numbers are 1 (on three faces) and 3 (on one face).

c) The fact the die has been biased does not change the possible outcomes. It only changes the probability of getting any given number.

d) Because the 3-face has been loaded, this probability changes. In fact, it is calculated thus:

Let's assume the probability for 1 or 2 is x. Then that of 3 is 2x(because it is twice the others). The sum of probabilities must be 1.

x+x+x+x+x+2x=1

7x=1

x=\frac{1}{7}

P(odd number) = 3\timesProb(1) + Prob(3)

= 3\times\frac{1}{7}+\frac{2}{7} = \frac{5}{7}

7 0
3 years ago
What expression is equivalent to 4^7 times 4^-5
liubo4ka [24]
All you have to do is add exponents when multiplying like monomials. So it's just 4^2 
6 0
3 years ago
Each square on the grid represents 1 yd2.
Ksivusya [100]
The  answer is about 30 yd2 to 40 yd2 or B.


Thank you :)
7 0
2 years ago
What must be added to 3x-7 to make x^2+4x-1
marta [7]
3x-7+c=x^2+4x-1
find c
minus 3x from both sides
-7+c=x^2+x-1
add 7 to both sides
c=x^2+x+6

x^2+x+6 must be added
3 0
3 years ago
Read 2 more answers
Other questions:
  • What is the x value when the Y intercept is 1
    9·1 answer
  • Two trains leave stations 216 miles apart at the same time and travel toward each other. one train travels at 85 miles per hour
    6·1 answer
  • The digits of a certain three-digit number are consecutive odd numbers. If the sum of the digits is 15, find the number.
    14·2 answers
  • What is the answer ?
    13·1 answer
  • Help meeeeeeeeeeeeeeeeeeeeeee !!!!!
    12·1 answer
  • Which equation represents the relationship between the X values and the Y values in the table ​
    8·1 answer
  • Select all of the equations that have x = 7 as a solution.
    13·1 answer
  • Please Help). Use the figure below to answer the questions. A) Describe in words a sequenc of transformations that maps □ABC to
    11·1 answer
  • What is the smaller and larger x value of the x-intercept for y=x2-5
    8·1 answer
  • 4
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!