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julsineya [31]
2 years ago
8

Calcule a medida da altura da cachoeira do Aracá, da torre Eiffel e da torre CN,

Mathematics
1 answer:
daser333 [38]2 years ago
6 0

Answer:

w

Step-by-step explanation:

w

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Peter is writing a number in scientific notation.The number is grater that ten million and less that one hundred million.Which e
OLga [1]

Answer:

M  =  a \times 10^7  where 1 < a ≤ 9

The EXPONENT USED BY PETER is 7 in all the possible cases.

Step-by-step explanation:

Let us assume the needed number is M.

Also, given:

The needed number is GREATER than 10 Million.

⇒ M  > 10 Million

⇒ M > 10,000,000

⇒ M > 1 \times 10^7  ...... (1)

The needed number is SMALLER than 100 Million.

⇒ M  <  100 Million

⇒ M < 100,000,000

⇒ M  <  1 \times 10^8  ...... (2)

Comparing (1) and (2) we can see that M can have more than 7 zeroes after 1 but LESS than 8 zeroes after 1.

So, the possible values of M can be:

M  =  a \times 10^7  where 1 < a ≤ 9

So, the EXPONENT USED BY PETER is 7 in all the possible cases.

5 0
3 years ago
Simplify<br><br> √12m • √15m<br><br> = [1] m √[2]
Elodia [21]

Answer:

  6m√5

Step-by-step explanation:

  √(12m)·√(15m) = √(180m²) = √(5·(36m²)) = √5·√(6m)²

  = 6m√5 . . . . . . for m ≥ 0

8 0
3 years ago
The sum of three numbers is 12. The sum of twice the first​ number, 5 times the second​ number, and 6 times the third number is
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A suitable calculator can row-reduce the augmented matrix.

first number: 3
second number: 1
third number: 8

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Work out the value of (2^3)^2​
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Answer:

2^6

64

Step-by-step explanation:

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3 years ago
Divide: <br> -20.48<br> -----------<br> -4
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If the question was -20.48 divided by -4 then the answer is 5.12
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