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Today at 5:42 PM
Mathematics

Answered

Insert parentheses to make each statement true.
a. 2+3×4²+1=81
b. 2+3×4²+1=85
c. 2+3×4²+1=51
d. 2+3×4²+1=53

Answer :

Аноним Аноним

Today at 5:47 PM

Answer:

a. (2+3)×4²+1=81

b. (2+3)×(4²+1)=85

c. 2+(3×4²)+1=51

d. 2+3×(4²+1)=53

Step-by-step explanation:

a. Parentheses about the 2 + 3 - then use PEMDAS to give 5 * 16.

b Inserting 2 parentheses makes it 5 * 17 = 85.

c.Inserting the parentheses simplifies it to 2 + 48 + 1 = 51.

d. Inserting the parentheses makes it 2 + 3*17 = 53

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