Define the binary operator ⋆ by: a ⋆ b = a + 4 b Simplify each of the following. Do the order of operations (do what is in parentheses first). a) ( 6 ⋆ 7 ) ⋆ 4 = b) ( 2 ⋆ 5 ) ⋆ 3 = Step by step, please

Q: Use scientific notation to perform the following operation. Write the answer in scientific notation.…

A: We say a number is written in scientific notation if it is written as a product of a number that is…

Q: Perform the indicated operations and write the result in standard form, √-81 - √-144

A:

Q: Retaking the SAT. An SRS of 400 high school seniors gained an average of x = 9 points in their…

A: Output: The 95% confidence interval for µ is obtained as (5.08. 12.92).

Q: Match each expression on the left with an equivalent expression from the top row. Each expression…

A:

Q: Express the number in the statement in standard notation. Last year a website had 7.38 x 10 hits.…

A: Given: In the standard form, 7.38×109hits=7380000000.

Q: Perform the indicated operations and simplify your answer: 1 -630- 1 -1 -1 4 [1 -1 2] -1 [23] + 0 농

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Q: Evaluate each expression at –4. Enter the simplified value of each expression in the blank. a. x?:…

A:

Q: Evaluate the given expression and express the result using the usual format for writing numbers…

A: From the provided information, The expression is as follow: 52P2

Q: Perform the indicated operations and write the result in standard form, (-15 - √-18) /33

A: Given,          -15--1833

Q: Evaluate the following expressions: 2abc − 3ab if a = 1, b = − 2, and c = 3

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Q: Use the numbers 5 and 4 to illustrate the commutative property of multiplication.

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Q: 4. Determine the values of c so that the following functions represent joint probability…

A: The question is about joint probability distribution.Given :

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A: We want to construct an algebraic expression with given

Q: Compute the value of these expressions: 1x8+1,12x8+2 and 123x8+2

A: Given the expressions:1x8+1,12x8+2 and 123x8+2

Q: ~/~ 2 m/+ + 5 12

A: P=(12−34)÷512

Q: Rewrite the following expression in terms of exponentials and write the final result simple as…

A: