Hii please help i’ll give brainliest

Mathematics

2 answers:

BlackZzzverrR [31]2 years ago

6 0

Answer:

3rd one

Step-by-step explanation:

iren2701 [21]2 years ago

4 0

well it would make sense if you said that the longest fish is 12in longer than the shortest because if you took 21in (the longest fish) and subtracted 9 (the shortest fish) you would get 12.

hope that helped please give brainliest.

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How many tens are there in 850

marishachu [46]

Answer:

Step-by-step explanation:

This is the same as asking:

What is 850 divided by 10?

When you divide it by 10 it's telling you how many times 10 can go into 850.

So, 850 / 10 = 85

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2 years ago

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If Natalie walked 3/5 in 1/2 hour, how fast did she walk, in miles per hour?

melisa1 [442]

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3 years ago

Pls help due in 10 minutes!!!

Luden [163]

Answer:

$\sf 500,000,000,000=5 \times 10^{11}$

$\sf 0.00000000005=5 \times 10^{-11}$

Step-by-step explanation:

Scientific notation

$\large\boxed{a \times 10^n}$

where:

$1\leq a < 10$

$n$ is any positive or negative whole number.

To convert a number into scientific notation, move the decimal point to the left or right until there is one digit to the left of the decimal point.

The number of times you have moved the decimal point is $n$ .

If the decimal point has moved to the left, $n$ is positive.
If the decimal point has moved to the right, $n$ is negative.

To convert 500,000,000,000 into scientific notation, move the decimal point 11 places to left, so a = 5. As we have moved the decimal point 11 places to the left, the exponent "n" is 11 and is positive.

$\implies \sf 500,000,000,000=5 \times 10^{11}$

To convert 0.00000000005 into scientific notation, move the decimal point 11 places to the right, so a = 5. As we have moved the decimal point 11 places to the right , the exponent "n" is 11 and is negative.

$\implies \sf 0.00000000005=5 \times 10^{-11}$