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
guapka [62]
3 years ago
8

Please can you answer my two questions!​

Mathematics
1 answer:
Elan Coil [88]3 years ago
4 0

a =400   b=100

Step-by-step explanation:

a.

Given the question as( 763 × 42 ) / 82 rounding to 1 significant figures the question will be;

(800 × 40 ) / 80

=400

b. Given the question as;

(39 × 52 ) / 3.8 × 4.9

Rounding this to 1 significant figure will be;

(40×50 ) / 4 × 5

10 ×10

=100

Learn More

Significant figures :brainly.com/question/11566364

Keywords : rounding, significant figures, estimate

#LearnwithBrainly

You might be interested in
What is the answer to 1.75g x 1000mg/1g?
Lerok [7]
1750mg in 1.75g just move the decimal place over three places. so its 1750mg
8 0
3 years ago
Y=f(x)=(1/3)^x find f(x) when x=1
stellarik [79]

when x = 1,  f(1) = 1/3

Answer

1/3 or 0.3333 (3 is repeating)

8 0
4 years ago
B(a + b) - a(a - b)
mixas84 [53]

Answer:

Go to the website below this messages for the answer with step-bij-step explanation

Step-by-step explanation:

https://socratic.org/questions/how-do-you-simplify-b-a-b-a-a-b

6 0
3 years ago
Which expression is a factor of this polynomial x^3+2x^2-9x-18
REY [17]

Answer: (x+2)

Step-by-step explanation:

4 0
4 years ago
A tree casts you say shadow that is 9 feet long at the same time a person standing nearby casts a shadow that is 3 feet long if
inna [77]

we have that

Applying proportion

x/9=5.5/3

solve for x

x=9*(5.5/3)

x=16.5 ft

therefore

<h2>the answer is 16.5 ft</h2>
6 0
1 year ago
Other questions:
  • How to work out corresponding and alternate angles
    8·2 answers
  • The triangle and the trapezoid have the same area. Base b2 is twice the length of base b1. What are the lenghts of the bases of
    10·1 answer
  • What is the solution to the equation below?<br> log 4x2 - log6x = 2
    15·1 answer
  • Of 30 students 1/3 play sports 2/5 of them play soccer how many play soccer
    5·2 answers
  • 4 • 4 [1/3 + 4(36 divided by 6)]
    13·1 answer
  • A collectible action figure sold for 193% of its original price. Write this percent as a decimal and as a mixed number or fracti
    6·1 answer
  • A portrait has a width of 2.5 feet and 7.2 as it’s length. What is the area of this portrait?
    12·1 answer
  • Two equations are given below:
    12·1 answer
  • An electronic sign that showed the speed of motorist was installed on a road. The line plots
    13·1 answer
  • Please help I don’t understand this and it’s due today in a bit
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!