3 years ago

What is 43 billion in scientific notation

Mathematics

2 answers:

suter [353]3 years ago

8 0

4.3 * 10^10

There are scientific notion calculators you can use.

faltersainse [42]3 years ago

6 0

4.3 *10^10 you can use a calculator for it

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Determine the relationship between x and f(c) in the table below and write the equation

Svetradugi [14.3K]

Looking at the only columns where we have both x and f(x), we can see this couples:

$\begin{array}{c|c}x&f(x)\\1&1\\49&7\\25&5\end{array}$

We can see that the output is always the square root of the input, so the function is

$f(x)=\sqrt{x}$

and the table completes to

$\begin{array}{c|c}x&f(x)\\9&3\\1&1\\100&10\\4&2\\49&7\\16&4\\0&0\\25&5\\20&\sqrt{20}\end{array}$

3 0

3 years ago

Mohamed and Li Jing were asked to find an explicit formula for the sequence -5\,,-25\,,-125\,,-625,...−5,−25,−125,−625,...Minus,

Nataly [62]

Answer:

Li Jing

Step-by-step explanation:

Given the sequence:

-5,-25,-125,-625,...

Mohamed's Formula is given as: $g(n)=-5\cdot5^{\large{n}}$

Using Mohamed's formula:

$When\: n=1,g(n)=-5\cdot5^{\large{n}}=-5\cdot5^{1}=-25\\When\: n=2,g(n)=-5\cdot5^{\large{n}}=-5\cdot5^{2}=-125\\$

Li Jing's Formula is given as: $g(n)=-5\cdot5^{\large{n-1}}$

Using Mohamed's formula:

$When\: n=1,g(n)=-5\cdot5^{\large{n-1}}=-5\cdot5^{1-1}=-5\\When\: n=2,g(n)=-5\cdot5^{\large{n-1}}=-5\cdot5^{\large{2-1}}=-25\\$

We can see that Li Jing's Formula produces the gien sequence.

Li Jing is Right.

4 0

2 years ago

Why might u want to estimate by rounding each value to the nearest $1 instead of to the nearest $5

Aleksandr [31]

You would want to round to the nearest $1 so that the total would be more accurate.

6 0

2 years ago

There are 8 times as many females as males on the maths course at university. What fraction of the course are female?

Tcecarenko [31]

Answer:

Step-by-step explanation:

Let the males = x

Let the females = 8x

Let the total in the class = x + 8x = 9x

Females = 8x / 9x = 8/9

If you want the decimal, it is .889

4 0

2 years ago

When Andrew goes bowling, his scores are normally distributed with a mean of 115 and a standard deviation of 11. What is the pro

Masteriza [31]

Answer:

I have no idea. : /

Step-by-step explanation:

7 0

3 years ago