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vagabundo [1.1K]
3 years ago
12

Is 14 200 000 in scientific notation 1.42 10x,5

Mathematics
1 answer:
Elan Coil [88]3 years ago
6 0

Yes, the rules of scientific notation are:

1. All non-zero digits are significant

2. Zeros in between non-zeros are significant.

3. Zeros to the left of the first non-zero number are NOT significant.

4. Zeros to the right of non-zero numbers are significant IF a decimal point is present.

P.S: if you need help with sig fig rounding, let me know.

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X−3y=1x+y=9
Brrunno [24]

I got this same question on a test, the answer is A.

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3 years ago
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¿Cuántos quilómetros recorrerá una locomotora en 5 horas, si marcha a una velocidad de 82 kilómetros
kicyunya [14]

Step-by-step explanation:

Datos;

una locomotora

recorre 5 horas

a una velocidad de 82 km/h

Se asume que la locomotora lleva un movimiento rectilíneo uniforme.

Su recorrido esta descrito por la siguiente ecuación de posición;

x = x₀+ v · t

x-x₀ = d = v · t

siendo;

d = distancia recorrida

v = 82 km/h

t = 5 horas

Sustituir:

d = (82)(5)

d = 410 km

82km/h * 5h= 410km

La locomotora recorrerá 410km

6 0
3 years ago
Which scatterplot(s) show a positive correlation A. Plot B B. Plot D. C. Plots A and C D. Plots A, C and D
adoni [48]
The anwser is a&c they go forward and up
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3 years ago
A forest covers 37 comma 000 acres. A survey finds that 0.2​% of the forest is​ old-growth trees. How many acres of​ old-growth
miss Akunina [59]

74 acres of old-growth are there in the forest

Step-by-step explanation:

To answer the question, we need to calculate the 0.2% of 37,000.We can calculate this stating that exists a linear relationship between the percentage and the number of acres. We also need to state that 37,000 acres are the 100% of the acres.

=\frac{0.2}{100} \times 37000\\ =0.002 \times 37000\\=74

We find that if 37,000 acres are the 100% of the acres ⇒ The 0.2% of the acres are 74 acres (in which there are old-growth trees).

6 0
3 years ago
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dangina [55]

Answer:

Step-by-step explanation:

y + 4 = 0(x - 2)

y + 4 = 0

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8 0
3 years ago
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