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Veseljchak [2.6K]
3 years ago
15

Multiply and answer on scientific notation : (3.8 x 10^8) (6.9 x 10^5)

Mathematics
2 answers:
Kruka [31]3 years ago
4 0
(3.8 x 10^8) (6.9 x 10^5) = 2.622e+14
dexar [7]3 years ago
3 0
(3.8×10^8)×(6.9×10^5)= 2.622e^14
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8th Grade Math Homework Thursday, January 28th
grin007 [14]
1. -6y
2. 4y+20
3. -6x+6y+4
4. 3x-44
5. •work:
•plug in 4 to the equation
5(2-4)=-10
10-20=-10
-10=-10
•so, yes it is a solution to 5(2-x)
6. •work:
4x+20=0
-20 -20
4x=-20
4x/4=-20/4
x=-5
7. •work:
5x-3=2x-27
-2x -2x
3x-3=-27
+3 +3
3x=-24
3x/3=-24/3
x=-8
8. •work:
6x-8=2x+16
-2x -2x
4x-8=16
+8 +8
4x=24
4x/4=24/4
x=6
9. •work:
12-3x=22+2x
-2x -2x
12-5x=22
-12 -12
-5x=10
-5x/-5=10/-5
x=-2
10. •work:
x+7x-12=-20
8x-12=-20
+12 +12
8x=-8
8x/8=-8/8
x=-1
11.•work:
7x+4-13x=-1+23
-6x+4=-1+23
-6x+4=22
-4 -4
-6x=18
-6x/-6=18/-6
x=3
here you go! hope this helped!! :)
5 0
3 years ago
There are 131 students at a small school and 35 of them are freshmen. What fraction of the students are freshmen?
IrinaK [193]

Answer:

35/131

Step-by-step explanation:

Since 35 out of 131 students are freshmen, the fraction would be:

35/131

<em>I hope this helps! :)</em>

6 0
3 years ago
Given the polynomial x7y³ + 2x5y² - 3x³ - 2x4 -2, its degree is equal to:
cluponka [151]

Answer:

Step-by-step explanation:x7y³ + 2x5y² - 3x³ - 2x4 -2 mathsolve

6 0
3 years ago
Help me plz and ty....​
nadya68 [22]

Answer: c

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
#1,2,2,3,5,6,7 I need work shown also please help
laiz [17]
I’m not sure about the estimates but the overall answers should be correct

4 0
3 years ago
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