Question

Which of the following expressions is equivalent to bxb

A) 2b
B) b2
C) 2*b
D) 2b*2

Answer 1

A) 2b ( b×b = twice b )

hope this help

Answer 2

B) b2

Step-by-step explanation:

b · b = b²

b + b = 2b

2 × b = 2b

2 × b × b = 2b × b = 2b²