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
SSSSS [86.1K]
3 years ago
13

Find each product by factoring the tens.

Mathematics
1 answer:
-Dominant- [34]3 years ago
3 0
<span>A technique for mental multiplication is called factoring the tens which relies on the fact that 10*n, for any real number n. This will make the problems easy to compute. 6 x 2 = 12 is a memory value. </span>

12  x 10  = 120

12   X 100  = 1200

Take for instance in 6 x 2, 6 x 20 and 6 x 200. Find the factors and these are the computations. We can also say: 

<span>6 x 20 = 6 x 2 x 10 = 12 x 10 = 120 
60 x 20 = 6 x 10 x 2 x 10 = 12 x 10 x 10 = 1200</span>

It must be remembered that in the commutative and associative properties of multiplication, the order of the factors does not matter when solving this kind of problem

You might be interested in
In one town, 4% of 18-29 year olds own a house, as do 21% of 30-50 year olds and 55% of those over 50. According to a recent cen
Nostrana [21]
I think my answer will be A .
8 0
3 years ago
There 16 markers for every 2 boxes. Write a ratio for boxes to markers in the simplest from
Galina-37 [17]

Answer:

1:8

Step-by-step explanation:

There is a box for every 8 markers.

7 0
3 years ago
Suppose that 30% of students prefer to write with a mechanical pencil. suppose we sample students, one at a time, and stop as so
tia_tia [17]
Probability that first student  prefers mechanical pen = 0.30
 P(first student does not and second student does) = 0.70 * 0.3 =  0.21)

P( selecting 2 or fweer) = 0.30+ 0.21) = 0.51  or 51%
6 0
3 years ago
Pls help (pic above)
vazorg [7]

Answer:

Line 1 to lin2 2= I think D or maybe A.. Mainly D

line 2 to line 3= A

Step-by-step explanation:

6 0
3 years ago
Read 2 more answers
What are the domain and range of y=cot x? Select one choice for domain
Lostsunrise [7]

The domain is \boxed{x \neq n\pi}, where n is an integer.

  • This is because cot x = 1/tan(x), and if tan x = 0, then the fraction is undefined.

The range is <u>all real numbers</u>.

4 0
2 years ago
Other questions:
  • Alex wants to find out how many ducks there are in a park.
    5·1 answer
  • Find the common factors of:<br><br>(i) 24 and 28 (ii) 12 and 18 (iii) 36 and 48​
    10·1 answer
  • Pls help<br><br><br><br> It worth <br><br><br> 21points
    11·1 answer
  • 3.020 in decimals form
    9·2 answers
  • Please select the best answer from the choices provided<br><br> T<br> F
    10·2 answers
  • How to use integers in word problems
    8·1 answer
  • A total of 132 people attended the Lane Family Reunion. The total cost of the reunion was $5,544. Everyone contributed the same
    7·2 answers
  • Jane charges a flat fee of $12 when she babysits plus $8 extra each
    10·1 answer
  • Worksheet #26
    10·1 answer
  • the radius of a circular disk is given as 30 cm with a maximum error in measurement of cm. use differentials to estimate the max
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!