Given that a 12.630 g milk chocolate bar contains 8.315 g of sugar, calculate the percentage of sugar present in 12.630 g of milk chocolate bar keeping in mind that the answer should have four significant figures (two decimal places).

4. a spring scale is constructed so that each 0.10-n increment is separated by 0.50 cm. what spring constant is necessary for the scale to be accurate? -1.0n/cm -0.10n/cm -9.8 n/cm -0.20n/cm

Part of the total score for each program is the sum of five program component scores. on the free program, the sum of these five program component scores is multiplied by a factor of 2.0. yuzuru hanyu, of japan, earned scores of 9.07, 8.96, 8.89, 9.21, and 9.36 for the program components portion of his free program. how many total points did he receive for this portion?

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.