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seropon [69]
3 years ago
10

Write the number 2,900 in scientific notation.

Mathematics
2 answers:
vitfil [10]3 years ago
8 0
29^100
That’s the answer To the question
VARVARA [1.3K]3 years ago
4 0
2.9 × 10^ 3

The proper format for scientific notation is a x 10^b where a is a number or decimal number such that the absolute value of a is greater than or equal to one and less than ten or, 1 ≤ |a| < 10. b is the power of 10 required so that the scientific notation is mathematically equivalent to the original number.
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Solve the following system of equations by linear combination: 5x 2y = 14 y = x – 7
natta225 [31]
I would use subsitution
y=x-7
sub x-7 for every x
5x+2(x-7)=14
5x+2x-14=14
add 14 to both sides
7x=28
divide both sides by 7
x=4
sub
y=x-7
y=4-7
y=-3

x=4
y=-3
(4,-3)
4 0
3 years ago
40 points and brainlest please help answer if there is not enough information just say 'not enough info'
Anuta_ua [19.1K]

Answer:

There seriously is not enough information.

Step-by-step explanation:

6 0
3 years ago
Which step should be performed first in the expression?<br> Then simplify the expression. 5(-3)+6
BabaBlast [244]

Answer:

5(-3) would be the first step

Step-by-step explanation:

5 * -3 = -15

-15 + 6 = -9

-9 is the answer

4 0
2 years ago
Calculate cardiac output if the heart rate is 125 beats/minute, the end-diastolic volume is 130 ml, and the end-systolic volume
Anni [7]

Answer: cardiac output=11,250ml/min

Step-by-step explanation: Cardiac output = Heart rate(beats/min) × stokes volume (ml/beat)

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Solve number (4) please
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Answer:

Step-by-step explanation:

x=25

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