plz help im doing a test ☹️ Which gives the best estimate and the exact product of (5.9)(8.28)? estimate: 40; exact product: 48.852 estimate: 48; exact product: 48.852 estimate: 400; exact product: 488.52 estimate: 480; exact product: 488.52

Worth 100 points need the answers asap first row -x^2 2x^2 (x/2)^2 x^2 x is less than 2 x is greater than 2 x is less than or equal to 2 x is greater than or equal to 2 second row -5 -5/2 4 5 •2 is less than x& x is less than 4 •2 is less than or equal to x & x is less than or equal to 4 •2 is less than or equal to x& x is less than 4 •2 is less than x& x is less than or equal to 4