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zubka84 [21]
3 years ago
6

Write 34,900 in scientific notation

Mathematics
2 answers:
Rzqust [24]3 years ago
6 0

Answer:It is  

3.49

⋅

10

4

Step-by-step explanation:

Korvikt [17]3 years ago
3 0
3.49•10^4

That is the answer.
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6 labour complete a work in 12 days. How many labours should added to complete the works in 8 days?​
mario62 [17]

Answer:

9 labours

Step-by-step explanation:

In order to solve this, we must know which kind of proportionality is this. There are two types of proportions, direct and indirect/inverse proportions. In direct proportion, if one quantity increases, the other quantity also increases.

In indirect proportion, if one quantity increases, the other decreases and vice versa.

As per this question, we know if the number of labour increases, the number of days to complete a work decreases, thus proving that this is an indirect/inverse proportion.

6 labours => 12 days

x labours =>  8 days

Since its an inverse proprotion, multiply 6 with 12, and x with 8.

8x = 6 × 12

x = \frac{6*12}{8}

∴ x = <u>9 labours</u>

7 0
2 years ago
Jim is clearing out trees and planting grass to enlarge his backyard. He plans to double both the width and the length of his cu
Ierofanga [76]
U should know the area of rectangle is w*l
if we increase it by double or times 2 its area  will be
A=2w*2wl
A=4wl
area would be 4 times of original one
Now u can get the answer
4 0
3 years ago
Expand.<br><br>Your answer should be a polynomial in standard form.<br><br>(x-1)(x+4)=
Montano1993 [528]

Answer:

X^2+3x-4

Step-by-step explanation:

This is the answer

8 0
3 years ago
Read 2 more answers
Lily deposited 1,000 in her savings account that earns her 3% compounded annually. She forgot about it until 15 years later when
iragen [17]
1450 is what would be in her bank account after 15 years
6 0
3 years ago
If a woman takes an early pregnancy test, she will either test positive, meaning that the test says she is pregnant, or test neg
k0ka [10]

Answer:

0.0098

Step-by-step explanation:

Probability of being pregnant:100/1000

=1/10.

98% chance:=98/100 ×1/10

=98/1000

Therefore the probability that she really is pregnant is: 0.098

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2 years ago
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