Find 85^2 using mental math. a. 5,625 b. 7,225 c. 6,825 d. 6,400
2 answers:
B bro 7,225. 85x85 should do the trick:)
Answer:
7,225
Step-by-step explanation:
find 85^2 using mental math
85 can be written as 80 +5
Multiply each term inside the parenthesis
Multiply 80 with 80 +5 and then we multiply 5 with 80 +5
It becomes
Now we add all the numbers
7,225
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Answer:
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Step-by-step explanation:
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Answer:
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