2 years ago

Write a whole number that rounds to

Mathematics

2 answers:

irina1246 [14]2 years ago

8 0

1999 you can just subtract one and you have your answer

dimaraw [331]2 years ago

6 0

1999

hope this answer helps!!!!

please rate, thank, and mark as brainliest!!!! :D

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2 years ago

I don't know what to do or how to do it

OleMash [197]

Answer:

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3 years ago

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52 ( Blank ) 2 ( Blank ) 31 = 73

nadezda [96]

Answer:

52 × 2 - 31 = 73

Step-by-step explanation:

Use PEMDAS

The way I remember is like this..

Please (Parentheses)

Excuse (Exponents)

My (Multiication)

Dear (Division)

Aunt (Addition)

Sally (Subtraction)

Multiply 52 × 2

which gives you 104.

Then subtract 31 from 101

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2 years ago

6h+5h-3j I would love to know this answer

mario62 [17]

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3 years ago

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A culture is grown with a population of 45 million cells. The cell population is found to double every hour. What will the popul

Alexandra [31]

45 million * $2^{4}$ = 45million * 16 = 720million

Or you can use
$y=Ae^{kt}$
A is equal to 45 million
To find the rate, k, we can plug in:
$90million=45million*e^{k*1}
$
$2=e^{k}$
$k=ln(2)$
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Knowing that t = 4
$y = 4.5*10^{7}*e^{ln(2)*4}
$
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3 years ago

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