How would you explain to students how to multiply345×678, assuming that they know and understand multiplication by a single digit and multiplication by a power of 10?

Q: What is the product of 8.5 x 10° and 6.8 × 102 expressed in scientific notation?

A: Scientific notation is multiplication is first multiply the numbers that are not in base 10, then…

Q: 7x + 63

A:

Q: What is the result when 2x + 3x2 – 6x – 16 is divided by x – 2?

A: Use the long division method to determine the quotient.…

Q: Give an example of an addition problem with three addends that would be much easier to solve…

A: According to the commutative property of addition,  For all real numbers a, b , (a + b)=(b + a)

Q: Explain why, when multiplying (3x - 4)(3x + 4), the product has two terms. O A Before multiplying…

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Q: 3x° (2x+16)°

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Q: What is the result when 2x + 13x2 + 20x +9 is divided by 2x + 9?

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Q: What is the result when 3x3 + 14x2 11x + 2 is divided by 3x - 1? - |

A: The given condition 3x3+14x2-11x+2 is divided by 3x-1

Q: What is the product of 2.8 x 10° and 7.7 x 10° expressed in scientific notation?

A: use the basic property of exponents

Q: What is the LCM of the denominator 2x-1 / 5x(2x+1) ?

A: Consider the given expression.

Q: Use the strategy of your choice to multiply the following expressions. 3. 4. (2x- 3)(-x² + 5x -4) 5.…

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Q: What is 1x34

A: To find: 1x34

Q: how do i simplify (5x+4)(2x−1)

A: To simplify the expression

Q: Incorrectly, we usually say that when we multiply any number by ten we “add” a zero to the number.…

A: a) Jushua is wrong because the correct answer is 10×1.3=13 b) If a whole number is multiplied by 10…

Q: How do you simplify 5x4 + 3x4?

A: The given expression is 5x4+3x4

Q: How do you multiply 2(x-1 stacked over 2)?

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Q: 10. 2x 20x 8 13. 2x+ 8r-15 0

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Q: What is the remainder when 4x2 - 6x +1 is divided by (2x- 1)

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Q: how do i get from 4x+9=21 to 4x=12

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Q: Show me how to work out 7.2÷0.4

A: Rewrite the given expression:

Q: What are the quotient and remainder when 8x2 - 4x + 5 isdivided by 4x + 1?

A: Given data: 4x+18x2-4x+5

Q: what is 2/3 x 6?

A: The given expression is   2/3 x 6

Q: A Multiply: (2x + 3y)² Work must be shown for credit!

A:

Q: What is the result when 6x + 25x2 +18x + 14 is divided by 2x +7?

A: given that 6x3+25x2+18x+14.  We need to find the result when the above polynomial is divided by…

Q: 2. If the product of 485 x 35 is 16,975, what is the product of 485 x 3.5? How do you know?

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Q: Use synthetic division to divide 3x+ 18x- 3x + 40 by x + 7.

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Q: What is 2=x+5/x+3

A: Multiply both sides by x and solve the quadratic equation by sridhar Acharya process

Q: What is the result when 3x + 11x² - 18x + 10 is divided by x + 5?

A: We will use the synthetic division  For x+5=0 we get x=-5 The coefficients of 3x3+11x2-18x+10 are 3,…

Q: What is the result when 2x° + 5x2 + 11x + 18 is divided by x + 2?

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Q: how do i simplify (6x+4)(6x+5) ?

A:

Q: What is 5x +6x =

A: We need to add

Q: (2x + 40)° (3x + 10)

A:

Q: What are other ways to write 16x-12-24x+4?

A:

Q: an someone explain to me how 16 - 4 x 2 x (-2) = 24 I just don’t get it

A: From the given data: Multiplying the terms of 4,2,-2, we get: 4(2)(-2)= -16 Now,  16-4(2)(-2)…

Q: How do I get x+2y=80 from 1/2x+1y=40? Don't I multiply by 4?

A: to get  x+2y =80 from   we need to multiply by 2. but why? as you can see RHS is doubling itself…

Q: We can rationalize the numerator of [(√x + √7 - √x)/7] by multiplying the numerator and the…

A: Given          x+7-x7   Rationalization:             Rationalization is the process of eliminating a…

Q: What is the answer to 3x/8 = 6/x

A: First we perform cross multiplication to get rid of fractions.And then we divide both sides by 3, to…

Q: What is the correct factorization of 7x2 + 28x? O 7(x² + 4x) O 7 (x+4) O x(7x +4) O 7x(x+4x)

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Q: What is 6 x 2 3/8=?

A: Given:      6× 238

Q: What are three possible products whose factors multiply to -2

A: To find  The three possible product whose factors are multiply to -2.

Q: how do you multiply big numbers and don't get confused?

A:

Q: 2) What is the remainder when 2x' +5x-8 is divided by x+2?

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Q: What is the result when 2x^3−9x^2+11x−6 is divided by x−3?

A: NOTE: Refresh your page if you can't see any equations. . divide the polynomial  by  here the…

Q: What is the product of 8.2 x 102 and 3.4 x 105 expressed in scientific notation?

A: The objective is to write the multiple of 8.2×102 and 3.4×105 in scientific notation.

Q: what is 2x+5+4x+66=778

A: Solution: The objective is to find the value of x

Q: What is 5x1/4

A: we have to find the value of 5×14

Q: What is the remainder when x^3-1 is divided by x+2

A:

Q: What is the difference of 10x + 5x-9 and 2x+2r +7x +5?

A: Given,            To find the difference of 10x3 + 5x2 - 9 and 2x3 + 2x2 + 7x +5