Answer:

Step-by-step explanation:


3. This problem incorporates an exponent property.
Exponent property used:
, yielding an answer of 

2x + 5 =7
Subtracting 5 from both sides
= 2x +5-5 = 7-5
=2x = 2
= x = 2/2
=x = 1
0.32 to the nearest hundredth would be 0.3