Use the method pemdas it helps me
Question:
Which expressions are equivalent to 78 • 7? Select all that apply. A. 73 • 73 B. 71879 C. (73)3 D. 74 + 75 E. 74 • 75
None of the expressions are equivalent to 78 • 7
<u>What is an expression?</u>
Mathematical expressions consist of at least two numbers or variables, at least one arithmetic operation, and a complete sentence. Any one of the following mathematical operations can be used. A sentence has the following structure: Number/variable, Math Operator, Number/Variable is an expression.
None because 78 * 7 = 546
None of the options equal to 546.
To learn more about the expression from the given link
brainly.com/question/1859113
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Step-by-step explanation:
Answer:
(C)
Step-by-step explanation:
Plug in 1 for s, and 2 for t:
5t - 2 = 5(2) - 2 = 10 - 2 = 8
t + 6 = (2) + 6 = 8
2s + 3 = 2(1) + 3 = 2 + 3 = 5
3s + 2 = 3(1) + 2 = 3 + 2 = 5
NM = PO = 8 ; NO = MP = 5 ∴ (C) is your answer
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