1,000,000,000 in scintiufci notioation

Mathematics

2 answers:

kolbaska11 [484]3 years ago

8 0

1 x 10 to the 9th power

aksik [14]3 years ago

4 0

Answ $1*10^{9} \\$

Step-by-step explanation:

Movemos la coma de los decimales de forma que 1000000000,0 se convierta en un nuevo número entre el 1 y el 10. Como nuestro número es mayor que 10, movemos la coma hacia la izquierda. Quita los ceros del final. Lleva la cuenta de cuántas veces movemos la coma decimal.

1000000000,0 -> 1

Nuestro nuevo número es 1. Hemos movido la coma decimal 9 veces.

Como nuestro número original era mayor que 10, el exponente de 10 es positivo. Recuerda que movimos la coma decimal 9 veces, de forma que el exponente es 9 positivo:

$10^{9}$

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Find the new price for the markup given. Round to the nearest cent if necessary.

Sliva [168]

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4 0

4 years ago

X + y2 = 25 x + 3y = 33

Advocard [28]

Are these 2 different questions or is this one equation

7 0

3 years ago

(X^4)-(45x^2)+324 what are the zeroes? And how many turning points?

dmitriy555 [2]

Zeroes:

We must solve

$x^4-45x^2+324=0$

To do so, we define the auxiliary variable $t=x^2$ . The equation becomes

$t^2-45t+324=0$

The quadratic formula yields the solutions

$t=9,\quad t=36$

Substituting back $t=x^2$ gives

$x^2=9 \iff x=\pm 3,\quad x^2=36 \iff x=\pm 6$

So, the zeroes are -6, -3, 3, 6.

Turning points:

Turning points are points where a function stops being increasing to become decreasing, or vice versa. Since functions are increasing when their first derivative is positive and decreasing when it's negative, turning points are points where the first derivative is zero.

We have

$f(x)=x^4-45x^2+324 \implies f'(x)=4x^3-90x$