18.96 x 2.03 correct to 2 significant figures equals what?

Use the multiplier method to incrases £258 by 43%

Which expression will have the same sum as 3_8 + 1/4?

Ametal rod needs to be 9 feet and 5.5 inches in length. the sections of the poles being used are each 1 foot and 10.5 inches long. how many 1ft 10.5in sections would be needed to complete the 9ft 5.5in metal rod? and how many inches of material will be left?