74. P is a natural number of at least 6 digits and its left- most digit is 7. When this leftmost digit is removed from P, the number thus obtained is found to be 1/21 times of P. What is the product of the all the nonzero digits of P.

Q: Select two positive integers a and b with 5 <  a  ≤  20  and 5  <  b ≤  20.

A:

Q: Is it possible to raise a positive number b to a power and obtain a negative number? Is it possible…

A: The given statement is " The possibility to raise a positive number b to a power and obtain a…

Q: For each of the following numbers N, compute the values of N + 12, N + 22, N + 32, N + 42, … until…

A: Factor  into prime factors.

Q: Is 18* 1/3= greater then 1/3 ?

A: Given : We have to check whether 18*1/3 is greater than 1/3

Q: determine the value of c(n,5) /p(n,5) where n can be any integer thats 5 or greater

A: Recall the following. Permutations Number of permutations of n things taken r at a time: pn,r=n!n-r!…

Q: Show that if n is any integer, then 3 divides n3 − n

A: To prove:  if n is any integer, then 3 divides n3 − n. Concept used: Here we shall use the identity:…

Q: Find all integers n > 1 such that 1n − 1)" is +2+...+(n divisible by n.

A: To find all the integers n&gt;1 such that 1n+2n+...+n-1n is divisible by n

Q: How many 6-digit numbers have three even and three odd digits? (The first digit cannot be zero.)

A: It is given that a 6-digit number is to be formed which will have three even and three odd digits.…

Q: 1. Prove that the sum of an integer and its square is even

A:

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: From all three-digit numbers find the one tha

A:

Q: Show that x2 + 9 is prime.

A: To show x2 + 9 is prime.

Q: 2 4. Express 989 = 23 43 in the form x² + xy + 5y².

A: The given number is 989. The objective is to express the given number in the form of x2+xy+5y2.

Q: Expand the expression for Mr Taylor.

A: The previous solution is incorrect. Please follow this one.

Q: A product engineer wants to optimize the cutting of strips of wood, which are used to ma plywood. To…

A: 1. Null Hypothesis: H0: There is no significant difference in the mean of torque force for log…

Q: Find the formula for 1+2-3+4-5...

A:

Q: Find the number of positive integers not exceeding 100 that are either odd or the square of an…

A: The objective is to find the number of positive integers not exceeding that are either odd or the…

Q: pls help asap!!!

A: According to guidelines we solve first three subparts when given multiple subparts.

Q: Show that if k is a positive integer, then (15k+4)/(10k+3) is in lowest terms.

A: We use the concept of Ring theory that a fraction is in lowest form if the gcd of numerator and…

Q: prove that the one's digit of any integer,n, is the remainder when one divides n by 10.

A:

Q: Find three even numbers less than 400, each of which can be expressed as asum of consecutive…

A: The objective is to obtain 3 even numbers less than 400 such that they can be expressed as a sum of…

Q: For this problem, you need the total, n, of the sum of all digits in your student ID. For example,…

A: We have n=(2+0+4+6+9+4+3+4)=32. We will find the number of solutions S   to the equation…

Q: I also found that the expression was divisible by 13 at n=6 and n=10. Is there anyway you could…

A: Any number n can be written in the form          n = 3m, or 3m+1, or 3m + 2 for some integer m.…

Q: #5 Find An if n is a positive integer and A = 4 -3 - 2

A:

Q: how many positive integers n satisfy 22-5n>-3?

A: 22-5n&gt;-3

Q: 1-A box with a square base and no top is to be made from a square piece of carboard by cutting 2 in.…

A: As per the bartleby guidelines for more than one question only one has to be solved ,please upload…