19. Explain why it is not valid to evaluate 22 + 3 77 using the canceling shown in the following step: warning, incorrect: 22 + 3 2 + 3 7 = 77 1078210x2 515 77 Show how to evaluate 223 correctly. (Is cance- ling possible or not?)

Q: Evaluate: √121

A:

Q: 50! 17! x17! x 16

A: Given,          50!17!×17!×16!=

Q: Simplify: 9C3 A B C D 31 (9! (6!)3! 31 (61) 91

A: It is known that: Crn=n!n-r! r!. We need to evaluate: C39.

Q: (²²) + (²) + („) z + (†) − (†) Evaluate:

A: According to the given information in this question We need to evaluate the given

Q: Perform each subtraction: a) 7 - (-2) b) (-7) - (+2) c) 10 - 2 d) (- 10) - (-2)

A: Given : 1)7-(-2) 2)10-2 3)(-7)-(+2) 4)(-10)-(-2). We need  to perform subtraction.

Q: What is the coefficient of the following term

A: The binomial expansion of a series is given by the expression (x+y)n=∑k=0nCknxn-kyk. Thus, the…

Q: Evaluate:

A:

Q: The following is an example of commutative property for multiplication: 348 + (74-18)(60 + 33) = 348…

A:

Q: Simplify the expression: 4(-6 + 4c) %3D Submit

A: 4(-6 +4c)

Q: What is the value of 18C16?

A:

Q: Perform the indicated operations. (а) 101112 х 11012 (b) 10248 x 27768

A: (A) 101112 ×11012           10   1    1    1            ×1   1    0   1            1  0   1   1   1…

Q: 3(2 )-4(2) 2* -2" Simplify:

A: Given,            32x+1-42x-12x+1-2x

Q: Find x

A: the question is taken from the trigonometry  in which we have to length x by using the trigonometry…

Q: Find each product: a) 5-7 b) 5(-7) c) (-5)7 d) (-5)(-7)

A: To find the product of the following: The product of two numbers is get by multiplying them together…

Q: 34

A:

Q: where did you get (18+6k), (120+2k) and (-120+6) from? and why do you use those numbers

A: The given system of equations

Q: When does 7 + 7 = 2 is true? Elaborate.

A: we have to prove that when 7 + 7 =2 ?? We use Congruence Modulo.

Q: Evaluate: 5 − 7 + 9 − 11 + 13 − 15 + ⋯ − 127

A: We have to evaluate :: 5 - 7 + 9 - 11 + 13 - 15 + ... - 127

Q: what is the coefficient of b5c2 in (c + b)7

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

Q: Evaluate: (23 + (6+ 2³)) – 11(-6 – 5)

A:

Q: Evaluate the expression.

A: We have to evaluate the expression: (a)  12523(b)  256432(c)  27-43 We know the properties of…

Q: 12° – (9 – 7)* + 6 = 12 +6

A:

Q: -1 then Create afplot lover -34AC37 Confaining the geagh 4) Plar, f/X-11, and flaul

A: The given function is ρx=1+x2-1. ρx=11+x2 Obtain the functions, ρx-1 and ρx+1. ρx-1=11+x-12…

Q: Sandra calculates 5(3 + 7) by writing 5 3+7=15+ 7 = 22. Solomon does it by writing 5(10) = 50. Which…

A:

Q: Write out and evaluate: (6-k)*

A:

Q: hat is the value of the expression 32 x (23 + 4) / 22?

A: Given that the expression is                                         To find the value of the given…

Q: 32 76 75 g) 126 h) 125 2 (x³y)² + (x³y²) ³ * he expression above what is the value of n, if the x…

A: Given query is to find the power of x

Q: I am unsure how to simplify this expression

A: Simplifying the given expression:

Q: divisibility

A:

Q: could step 2 be explained further? Where did the -3*121 and the -15*375 come from?

A: As  you have asked for step 2 explanation  As we know that root of a quadretic equation ax2+bx+c=0…