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Mathematics

1 answer:

Len [333]2 years ago

3 0

Shrafhhhds is the purpose of the expression of the social studies of the social and social studies

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Which is equal to 46 a. 5(9-3)+(6•2) or b. 3(4+8)+(2•5)

faltersainse [42]

Answer: B

Step-by-step explanation: To solve you have to first multiply the number in front of the first pair of () by both numbers inside,then add that together. Then move on the the other pair of (). Multiply those together. Take the two numbers that you now have and add those to get the final answer.

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3 years ago

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(9+8)+6/3-7×2 how to slove

tino4ka555 [31]

Answer:5

Step-by-step explanation: remeber pemdas

first we do parenthesies(I have bad spelling)

17+6/3-7*2

then we do multiplication and divition, it matters what comes first

17+2-7*2

17+2-14

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2 years ago

The molar mass of AlCl3 is 133.34 g/mol. How many molecules of AlCl3 are there in 2 g?

Mnenie [13.5K]

To solve this problem, we have to apply mole-concept to this and we would need the molar mass of AlCl3. 2g of AlCl3 contains 9.034*10^21 molecules.

<h3>Number of Molecules in 2g of AlCl3</h3>

The molar mass of AlCl3 is given as 133.34g/mol

Data;