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
Keith_Richards [23]
4 years ago
8

Explain howyou wouldestimateto subtract 189 from 643

Mathematics
1 answer:
kupik [55]4 years ago
6 0

I would estimate 643 - 189 by rounding 643 to the tens place and 189 to the hundreds place.

643 => 640

189 => 200

Now you can subtract 200 from 640.

640 - 200 = 440

You might be interested in
Someone please help me!!! ASAP
inn [45]
102 3/5 steps


The bridge is 307 4/5 m long
Her steps are 3/10 m long
Divide the length of the bridge by the length of her steps

First change the 307 4/5 to 8/10 so we have a common denominator
(307 8/10)/(3/10)
Next change 307 8/10 to an improper fraction
Multiply the whole number by the denominator than add the numerator
(3078/10)/(3/10)=1,026/10
Now divide the numerator by the denominator
1,026/10=102 6/10
Which simplifies to 102 3/5
6 0
3 years ago
Read 2 more answers
Jazzy goes to bed 3 h after dinner.
makkiz [27]

Answer:

It was easy

Step-by-step explanation:

11 x 2 = 22

3 x 2 = 6

22 x 6 = 132

3 0
3 years ago
A farmer has two similar cylindrical grain silos used for storing grain during winter. The dimensions of the smaller silo are 3/
balu736 [363]
C is the correct answer I just did the paper
6 0
4 years ago
Uoigbouviuviuviyuvoiuyv
g100num [7]

Answer:

thanks I guess for the points

Step-by-step explanation:

5 0
3 years ago
4.07, 4.070, 4.70, 4.0700 what value is not equivalent.
larisa [96]
4.70, all the others can be simplified to 4.07 by taking away the zeroes after the 7 because they are not significant, The one before the 7 stays because it is significant as it is holding the tenths place value.
5 0
3 years ago
Read 2 more answers
Other questions:
  • You want to produce a scale drawing of your living room, which is 21 ft by 28 ft. If you use a scale of 5 in. = 7 ft, what will
    9·1 answer
  • CitiBank recorded the number of customers to use a downtown ATM during the noon hour on 32 consecutive workdays. 27 11 36 22 36
    10·1 answer
  • If y varies directly as x, and y is 12 when x is 1.2, what is the constant of variation for this relation?
    6·2 answers
  • 3x2 + 24x = 0 for x.
    9·2 answers
  • a worm is climbing out of a 20 in. hole. The worm climbs 4 inches during each day and at night falls back 10% of the height the
    8·1 answer
  • if employee a logged 120 hours of travel in four years and employee b logged of travel at a 20% higher rate how many more hours
    7·1 answer
  • *PLZ HELP* This goes for all questions...>...Given the following word problems, write an inequality that models the problem,
    5·2 answers
  • I need help with Geometry
    14·1 answer
  • For any positive numbers a, b, and d, with b = 1, logb a+logb d=
    13·2 answers
  • What is 5 divided by 2549
    12·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!