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gizmo_the_mogwai [7]
3 years ago
7

What are the Oder of operations

Mathematics
2 answers:
denis-greek [22]3 years ago
8 0

Answer:

The order of operations are : exponentiation and root extraction

multiplication and division

addition and subtraction

~Hope this answered your question :-) ~

Step-by-step explanation:

OLga [1]3 years ago
5 0

Answer:

PEMDAS

Step-by-step explanation:

P=Parentheses

E=Exponents

M=Multiplication

D=Division

A=Addition

S=Subtraction

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5 students, including Alice, Bob, and Cindy, line up in a row. In how many ways can they line up so that Alice is somewhere betw
Inga [223]

Answer:

20 possible arrangements

Step-by-step explanation:

A: Alice  

B: Bob

C: Cindy

X: other student

All the possible arrangements are:

When Bob is in the first place

B A C X X

B A X C X

B A X X C

B X A C X

B X A X C

B X X A C

6 possible arrangements

When Bob is in the second place (notice that neither Alice nor Cindy can be before Bob)

X B A C X

X B A X C

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3 possible arrangements

When Bob is in the third place

X X B A C

Only 1 possible arrangement.

Total arrangements when Bob is before Cindy: 10

If Cindy is before Bob the same situations are repeated, given another 10 arrangements. So, the total line up in which Alice is somewhere between Bob and Cindy are 20.

7 0
3 years ago
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