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3 years ago

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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2logbase4(x)-logbase4(5)=125

Goryan [66]

$D:x>0\\\\ 2\log_4x-\log_45=125\\ \log_4x^2-\log_45=\log_44^{125}\\ \log_4\dfrac{x^2}{5}=\log_44^{125}\\ \dfrac{x^2}{5}=4^{125}\\ x^2=5\cdot4^{125}=5\cdot2^{250}=5\cdot(2^{125})^2\\ x=\sqrt{5\cdot2^{250}} \vee x=-\sqrt{5\cdot2^{250}}\\ x=\sqrt{5\cdot4^{125}} \vee x=-\sqrt{5\cdot4^{125}}\\ x=\sqrt{5\cdot(2^{125})^2} \vee x=-\sqrt{5\cdot(2^{125})^2}\\ x=\sqrt5 \cdot\sqrt{(2^{125})^2} \vee x=-\sqrt5 \cdot\sqrt{(2^{125})^2} \\ x=2^{125}\sqrt5 \vee x=-2^{125}\sqrt5$

$x=-2^{125}\sqrt5 \not \in D\Rightarrow \boxed{x=2^{125}\sqrt5}$

7 0

3 years ago

Brendan bought an iced tea that cost $4.06 plus 7% sales tax. If Brendan left an 18% tip on the $4.06, how much in total did he

ahrayia [7]

Answer:

Step-by-step explanation:

18% tip in $=18/100 * $4.06

$0.7308

7% sales tax in $= 7/100 * $4.06

$0.2842

Total amount he paid= $0.7308+$0.2842+$4.06

$5.07500

6 0

3 years ago

Read 2 more answers

The Bake Star Bakery uses 2 1\4 cups of raisins to make 4 servings of trail mix. How many cups of raisins are in each serving?

sashaice [31]

Answer:

9/16

Step-by-step explanation:

2 1/4=2.25

2.25/4=0.5625

9/16=0.5625

I hope this is right and that this helps.

6 0

4 years ago

Sarah is selling bracelets and necklaces to make money for her summer vacation. The bracelets cost $2 and the necklaces cost $3.

marusya05 [52]

Answer:

85 Necklaces and ----- Bracelets.

Step-by-step explanation:

500 Divided by 2 = 250, The 500 is the amount in total,The 250 is the amount of bracelets and necklaces needed for 500$ To be a accurate number for 'Sarah's ' Situation. Now 250 divided by 2 is 125. It was divided by 2 so it can be the amount the bracelets cost. Or instead of dividing to get 250, You can multiply and do 2x125=250, So them add Go on from there, Its not to hard but if you need more help I'm here!

Now for the necklace portion of it. 3x80=240, So she sold 80 necklaces. Than sold 3 more. Now you have a total of 250.

5 0

3 years ago

Plzzz help meeee I am timeddddd!!

Travka [436]

Answer:

9.75 is the answer rounded to 10.

10 is the final answer

Hope it helps!!!

Say if my answer is correct....

3 0

3 years ago