5. From the 10 inflatable pool toys that you've bought during the past year, you plan to take 3 with you on vacation. How many different sets of 3 inflatable pool toys can you take? (A) 30 (B) 120 (C) 240 (D) 720 What is the coefficient of the term with ³ when you expand out (2x + 5) (A) 20 (B) 720 (C) 20,000 (D) 1,000,000

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A: Recall the following fact.

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Q: 1.1 Simplify: (a) 3+3 (200-12+2) (b) 13,56+37,099 x 18,925 10-4+1 (d) (c) 2x3

A:

Q: 9! divided by 4!5! equals which of the following? 126 9P5 (9x8x7x6x5)/4! 1 Show your work and…

A: We can solve this using factorial method

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A: Using BODMAS rule.

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A:

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A:

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A: The given expression is 3+i2-i2-i.

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A: n! = n(n-1)(n-2)...... 4.3.2.1

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A:

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A:

Q: (a) The remainder when 5555 is divided by 55.

A:

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A:

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A:

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A:

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A: We know that  (a+b)n = C0nanb0+C1nan-1b1+C2nan-2b2+...+Cn-1na1bn-1+Cnna0bn Hence (c+b)7 =…

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A: Given  4 + 10/5 = 6-2

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A: The objective is to find the binomial coefficient for the following: (10¦4) (12¦3)

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A:

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A: Given expression :

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A:

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A:

Q: 13. Evaluate the following, no decimal answers only fractions 4-² x5-³ 4³x5 a) (5¹ (5)-¹)+ 5-14 d)…

A:

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A: addition is summing up of two or more numbers

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A:

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A:

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A: