3 years ago

How many ways can the letters in the word D-I-N-O-S-A-U-R be arranged?

Mathematics

1 answer:

MAVERICK [17]3 years ago

7 0

Answer:

40,320 ways

Step-by-step explanation:

To find the number of ways that the letters can be arranged, as all letters are different, we just need to find the factorial of the number of letters.

As we have 8 different letters, the number of ways is:

Factorial(8) = 8*7*6*5*4*3*2 = 40,320 ways

We can arrange the letters in 40,320 different ways.

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How do i use Scientific notation on these problems? Because I don't know...

saveliy_v [14]

Answer:

Simplify the problems first

Step-by-step explanation:

Before you can convert it to scientific notation, you should simplify it first.

#1 for example:

$(4 \times 10^5)^2\\$

Use PEMDAS to solve the equation:

$(4 \times 10^5)^2\\= 400000^2\\= 160000000000$

So, now we have a super big number. To write it in scientific notation, put a decimal place in the number before the zeroes start. It would be $1.6 \times 10^{11}$ since there are 11 places after the decimal.