Given a positive integer n, how many decimal strings of length n begin or end with an odd digit? (assume inclusive or). O (10)" – 5°(10)"-2 O 5(10)"- + 5(10)"-1 O 5(10)"-1 + 5(10)"-1 – 5(10)"-2 O 5(10)"-1 + 5(10)"-1 – 5(2)(10)"-2 O None of these.

Q: -1)*+1 Ln=1 ¯n•I0* O error| < 2 × 10 -6 O error| < 2.5 × 10-6 O error| < 2.5 × 10–5 O error| < 10-5

A: Given: ∑n=1∞-1n+1n.10n. All the options have 6th term expanded. Therefore, we will check for , n=6.…

Q: Given the recursive formula: an = an-1 + 12 and a1=3. %3D Find the 4th term. O A. 15 ов 3 ос. 27 о…

A: The value of the nth term from the recursive formula can be calculated by evaluating the values of…

Q: Show that the given matrix is​ nilpotent, and then use this fact to find the matrix exponential eAt.…

A:

Q: Find n(A)   A= {1/2, -1/2, 1/3,- 1/3,......1/10, -1/10}

A: Compute n(A) as follows.Assume a set B with 20 elements.B = {1,−1, 2, −2, 3, −3,......10, −10}.

Q: Malik currently has 39 tulips in his yard. Each year he plants 3 more. (a) Which of the following is…

A: given data  malik havs 39 tulips in his yard each year he plants 3 more  so,  p0= 39 d = 3

Q: If A=-1 4 -3 -7/ -1 and A¹=/? ? (22 a ? What is the value of the element a? Give your answer…

A:

Q: Which of the following is a false statement? In the expansion of (a +b) the coefficient of a b° is…

A: We have to choose the false statement.

Q: HA-[-2]. If = O A-¹ O A-¹ = O A-¹ = O A-¹, 24 = find A-¹. 3 = 6 -4] [4-2] 6 -5]

A:

Q: 12 + 4j express both (a) – and (b) z +- in the form x + yj. If z =- 9- 7j ... (Simplify your answer.…

A:

Q: * 4. Determine the conditions under which each of the following conditional sen- tences will be a…

A: (a) The conditional statement "If a + 2 = 5, then 8 &lt; 5" will be true when the expression "a + 2"…

Q: Which expression is equal to E (2" + n²) k-1 n=2 O (2" + n?) +D ¬k-2 (2" + n2) n3D2 nk-2 O (2*-1 +…

A:

Q: If A = -60000 5-6000 -4 -7 20 0 -89 3 -8 0 -2 -2 5 6 -9 then det (A): =

A: We have to find the determinant of the matrix .

Q: Which expression is equivalent to 2(x² – 1) + 3x(x - 4)? (1) 5x² – 5 (3) 5x² – 12x – 1 - (2) 5x² – 6…

A:

Q: If y-<, which of the following could be a value of y? (A) -11 (B)-11 C) 12 11 D) E) 11 22 098.12

A: given inequality

Q: One cut of a stick of licorice produces two pieces. Two cuts produce three pieces. Three cuts…

A: Given that:One cut of a stick of licorice produces two pieces. Two cuts produce three pieces. Three…