20. The product of which of the following pairs of numbers is closest to 5,678?
Answer: C
The product of 6 and 950 is closest to 5,678.
Calculating the product of 6 and 950 gives 5,700, which is the closest to 5,678 when compared to the products of the other options.
A) 5 and 990
The product of 5 and 990 is 4,950. This value is significantly lower than 5,678 and therefore not a suitable choice.
B) 6 and 900
Calculating the product of 6 and 900 results in 5,400. Although this number is closer than some other options, it still falls short of 5,678.
C) 6 and 950
The product of 6 and 950 equals 5,700. This value is only 22 units away from 5,678, making it the closest option available.
D) 7 and 800
The product of 7 and 800 is 5,600. While this is a relatively close value, it is further away from 5,678 than the product of 6 and 950.
E) 7 and 850
The product of 7 and 850 equals 5,950. This product is considerably higher than 5,678, making it an incorrect choice.
Conclusion
The answer C, 6 and 950, is definitively the closest product to 5,678, with a result of 5,700. All other options either fall short or exceed this target by a wider margin, confirming that they are not as accurate as option C.