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3 years ago

Evaluate this expression 4-1+2

Mathematics

2 answers:

charle [14.2K]3 years ago

6 0

Hi, hope you’re having a good day!

You have to follow PEMDAS (in US) which is Parentheses, Exponent, Multiplication or Division (left to right) Addition or Subtraction (left to right)

4-1=3

3+2=5

So, the answer is 5!

Hope this helped, thanks for taking your time to read this! ❤️❤️

harina [27]3 years ago

5 0

Answer:

Step-by-step explanation:

4 - 1 = 3

3 + 2 = 5

Hope this helps :)

Have a great day !

5INGH

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4 years ago

A bottle of eyes drop has 0.45 fluid ounces of liquid.How much liquid is in 10fourth bottles of eye drops

hammer [34]

Option 1: 4500 Fluid Ounces is the correct answer

Step-by-step explanation:

The total fluid will be calculated by multiplying the amount of fluid in one bottle to the number of bottles

Given

$Liquid\ in\ one\ bottle=0.45\ fluid\ ounces\\Total\ number\ of\ bottles=10^4$

So,

$Total\ fluid=Fluid\ in\ one\ bottle* Number\ of\ bottles\\=0.45*10^4\\=0.45*10000\\=4500\ fluid\ Ounces$

Hence,

Option 1: 4500 Fluid Ounces is the correct answer

Keywords: Division, Multiplication

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3 years ago

4^x-4^x-1=24,then find (2x)^x

DENIUS [597]

Answer: 5²⁻⁵

<u>Step-by-step explanation:</u>

$4^x-4^{x-1}=24\\\\\\3(4^{x-1})=24\\\\\\4^{x-1}=8\\\\\\2^{2(x-1)}=2^3\\\\\\2(x-1)=3\\\\\\x-1=\dfrac{3}{2}\\\\\\x=\dfrac{5}{2}\quad \rightarrow x=2.5$

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