Which number is the best approximation for 52√+23√ ? will give brainliest a: 3.0 b: 3.4 c: 6.5 d: 9.9

Blank × 10-3 is 2,000 times greater than 1.9 × 10-6. it is also blank times greater than 9.5 × 10-4.

The number of revolutions of two pulleys is inversely proportional to their diameters. if a 24-inch diameter pulley making 400 revolutions per minute is belted to an 8-inch diameter pulley, find the number of revolutions per minute of the smaller pulley.

What set does not contain -3 the set of all real numbers the set of all integers the set of all whole numbers the set of all rational numbers