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
yKpoI14uk [10]
2 years ago
15

explain how to use estimation to help find the product of two decimals give a example of both estimated and actual answers

Mathematics
1 answer:
zmey [24]2 years ago
4 0

Answer:

To find a reasonable estimate using decimal numbers, round the decimal to the nearest whole number, so for example: 2.2 x 4.7 You can round 2.2 to 2 and 4.7 to 5 as they are the closest to the whole number.

2 x 5 = 10

Real answer:

10.34

You might be interested in
The plans for a house are drawn at scale of 1/4 inch to 1 foot. If the bedroom is 10 feet wide, what is its width on the plan?
viva [34]

Answer:

2.5 inches

Step-by-step explanation:

(1/4) x 10 = 2.5

or .25 x 10 = 2.5

5 0
2 years ago
Mr. White can walk 3 miles in 45 minutes. How far can he run in 1 hour
levacccp [35]

Answer:

Mr. White can walk 4 miles in 1 hour.

Step-by-step explanation:

45min/3miles

60min/?miles

1 mile in 15 minutes

8 0
3 years ago
Y = 2x2 - 3x - 20?
nikitadnepr [17]
2x² - 3x - 20

40
2 20
4 10
5 8

2x² - 8x       5x - 20
2x(x - 4)      5(x - 4)
(2x + 5) (x - 4)
2x + 5 = 0      x - 4 = 0
2x = -5          x = 4
x = -5/2
C) x = -2.5 and 4
4 0
3 years ago
you and a friend tutor for a total of 12 hours. use the tape diagram to find how many hours you tutor. ​
Semenov [28]
You tutor 9 hours and you friend tutors for 3, i believe
7 0
3 years ago
Tom works 12 hours a day at a café. He is paid $8 an hour. How much<br> money is he paid in 10 days?
Masja [62]

Answer:

Tom will be paid $140 in 10 days

Step-by-step explanation:

3 0
2 years ago
Read 2 more answers
Other questions:
  • If x is too small that its square and higher powers be neglected then (1+3x)-2=?
    15·1 answer
  • Fifty percent of the gases making up the atmosphere are found below ________. 10 miles (16.2 km) 6 â½ miles (10.4 km) 3 â½ miles
    15·2 answers
  • Which costs more over the course of a year: a medium 3 item pizza, which costs $7.25, four times a week, or going out to a fine
    14·1 answer
  • The number of bacteria present in a laboratory
    15·2 answers
  • it was found that out of 45 girls,10 joined singing but not dancing and 24 joined singing.How many joined both. options: A: 21 B
    11·1 answer
  • Lil help and hand here
    8·2 answers
  • Angle 3 is a supplement of angle 4. If the m of angle 3 is 100 degrees, what is the m of angle 4?
    11·1 answer
  • Can someone pls help need it ASAP<br> :)<br> it is not <br> x=-13.4, y=-3.2
    8·1 answer
  • Please help me, marking brainliest if correctly
    5·1 answer
  • How many solutions does this system of equations have?
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!