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amid [387]
3 years ago
10

Write 0.000021 in scientific notation.

Mathematics
2 answers:
astraxan [27]3 years ago
7 0

Answer:

2.1 × 10^-5

Step-by-step explanation:

Aliun [14]3 years ago
5 0

Answer:

2.1 x 10^{-3}

Step-by-step explanation:

Hope this helps!

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How many solutions does -3x+9-2x=-12-5x have
Neko [114]

Answer:

-27+6x=-12-5x

Step-by-step explanation:

It has one solution

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The blue team walks 5 miles the first hour and 2 miles an hour after that. How far will they walk in 4 hours?
denis-greek [22]

Answer:

  11 miles

Step-by-step explanation:

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3 years ago
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One number is 16 more than a second number. The sum of the first number and twice the second number is 139. What is the answer ?
Nezavi [6.7K]
Answer first number  = 57  second number = 41
x= 16 + y
x + 2y = 139

16+ y + 2y =139
16 + 3y =139
16-16 +3y = 139-16
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3/3y = 123/3
y= 41

x= 16+y
x = 16+41
x= 57
4 0
3 years ago
Bbbbbbbbbbbbbbbbbbbbb
mel-nik [20]

Answer:

BBAB

Step-by-step explanation:

DU DU DU DU DU DU DU DU DU

7 0
3 years ago
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