How did they go from 30(2^k-1) to 15(2^k)? Please explain

Q: How did you get the 1 over x^2 in the denominator: -x(8+ 1/x^2)?

A: We have to find the limit of the function:    when x approaches to infinity.

Q: (10+5^2)((5*-2)+9-3^3)/2

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Q: Simplify the expression. (101ln(909^(2500))-250000)/(101ln^(2)(909)) Tap to view steps...

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Q: Wouldn't it be (-1)^n+1 instead of (-1)^n in the numerator?

A: Yes, you are right .

Q: Simplify: 25x?y* b. 4,7 -5 (-2xy-14)(-3x*y^)³ C. а. -5xºy8

A: To simplify  a) -2xy-14-3x4y53 b) 25x2y4-5x6y-82 c) x-4y72-5

Q: What is the final answer? I tried 11e^2 - 27 it was wrong

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Q: Find the value of 30^(3)+31^(3)+dots +79^(3)+80^(3) Your answer

A: The expression is 303+313+...+793+803.

Q: is the answer not 12^20 ? could you pleae confirm ?

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Q: Find 2+4+6+8+⋯+(2 * 2^22).

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Q: Simplify fully: 7 * 9^3c - 4 * 27^2c

A: Aim is make equal power

Q: Which expression is equal to 2^3 ? (2^3 means 2 raised to the power of 3) Choose all that apply,…

A: which option

Q: What is the remainder when 2^534 is divided by 3?

A: Solution Remanider is 2

Q: What is the GCF of the expressions 115rs^5(2r+s)^3 and 100r^3s^4(2r+s)^7?

A: To find the GCF of the expression: 115rs5(2r+s)3 and 100r3s4(2r+s)7 Simply write the complete…

Q: Evaluate: y=2+3x^2+4x^3 when x = 76 Give your answer to 1 decimal place

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Q: How do you know when to subtract from 1?

A: Actually in standard normal table probability is given for less than to get the probability for…

Q: 60 8.

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Q: 65 51

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Q: Which of the following is equal to 2+8+18++72? Select one: O a Yi + 2) O b. O O d. ANT AT 6 i=1 21²…

A: NOTE: Refresh your page if you can't see any equations. . the given series is  first, we need to…

Q: Evaluate : 10 015 d2 3C2-1)

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Q: Simplify. (3zy*)

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Q: which number is equivalent to 0.000 000 1:10^7 or 10^-7? how do you know

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Q: the difference between 5^-4 and (-5)^4 ?  Find the value for each.

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Q: What is the difference between 2 x 10^7 and 2^7 ?  Find the value for each.

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Q: (3a^3)(−2a^−5)

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Q: Given the expression (2^-3)(2^5)/(2^7) find 3 equivalent numerical expressions

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Q: Why did you put xy. Isn't it supposed to be x*y

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Q: how did you pring the 2^2n out?

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Q: Why is (-5)^2= -5 x -5 = 25 but -5^2 = -5 x 5 = -25. How does the parenthesis make a difference in…

A: Make it a thumb rule regarding this that if there is no parenthesis, then the negative part has to…

Q: Simplify: 64 / (8 - 4)^2 x 9 - 5^2 using the order of operation agreement. Show all step

A: The objective of this question is to simplify the given expression using the order of operations…

Q: What is the remainder when 10^28 is divided by 6? NOTE: 10^28 means 10 raised to the 28th power

A: Given problem Given that   The remainder when 1028 is divided by 6 is = ?

Q: Simplify the expression: (10es^-4)(es^-6)

A: The given expression is,

Q: 960x² is the term in the expansion of (mx-2)^6, then the value of m is given by?

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Q: What is the remainder when 2^10203 is divided by 101?

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