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motikmotik
3 years ago
9

Compare 8 ⋅ 107 to 2 ⋅ 104. Plz Answer 25 Points!!!

Mathematics
2 answers:
Ivahew [28]3 years ago
5 0
8*107 > 2*104  IT'S KINDA LOGIC HERE 8 = 2^3
so 2^3 * 107 > 2*104

for the rest we can divide the two
<u>8*10^7</u>     =    <u> 2^3*10^7</u>     
2*10^4               2*10^4

after simplification we will have  2^2 * 10^3 = 4*1000 = 4000 true
so 8*10^8 is 4 000 times larger than 2*10^4

Shalnov [3]3 years ago
3 0
The answer is the first row.

Explanation:

8 * 10^7 = 80,000,000 -- 2 * 10^4 = 20,000

80,000,000 divided by 20,000 = 4,000, so it is 4,000 times larger

Therefore, the first answer is correct.

Hope I helped and good luck!
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Use or = to compare the following decimals.
Lynna [10]
The correct answer is B 9.74_98.1
5 0
2 years ago
Please help thank you!! will give brainlist!​
ratelena [41]

Answer:

the third one

Step-by-step explanation:

y+8= 4(x-3)

y+8= 4x-12

y= 4x-20

5 0
3 years ago
3a² + 11a – 42<br><br>this is factoring in algebra 2 (high school) <br>​
N76 [4]

To factor,

<h2>[[[</h2>

1) First multiply coefficient of a² and constant no,

That is,

3×(-42)=-126

Since the<u> resultant no is negative</u>, you should find two such factors of 126 <u>which</u> <u>will give us the coefficient of a (=11)</u> on subracting those factors.

2) Find the factor

126=2×3×3×7

=18×7

18 and 17 are factors of 126

Also,18-7 =11.

So they are required factors for factoring,

<h2>]]]</h2>

Once you have understood above steps you can solve on your own. All you need to do is split 11 into factors ,take common terms and you will get answer.

<u>Answer:</u>

3a²+11a-42

=3a²+(18-7)a -42

=3a²+18a-7a-42

=3a(a+6) -7(a+6)

=(a+6)(3a-7)

3 0
3 years ago
The diameter of the wheel is 22 inches what is the circumference of the world use 3.14 for pie
DiKsa [7]

Answer:

69.08 inches

Step-by-step explanation:

Circumference of the wheel

= 2 pi r

Given

Pi = 3.14

Radius r = diameter/2 = 22/2

= 11

Therefore

Circumference = 2 x 3.14 x 11

= 69.08 inches

5 0
3 years ago
Expand and simplify (x + 5)(x + 4)<br>​
Nina [5.8K]

Answer:

(x+5)⋅(x+4)= x2+9x+20

Step-by-step explanation:

(x+5)(x+4)

=x

2

+4x+5x+20=

=x

2

+9x+20

7 0
3 years ago
Read 2 more answers
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