use the java

1. Write a program that displays the result of: 15.4x6.5-4.3x3 46.3-3.5 l can be computed using the following formula: =4x11--+ + + Write a program that displays the result of 4 --+ 3 57 9 11 +-- and 4x 1--+-+.U Use 1.0 instead of 1 in your program. 3 5 7911 13 Write a program that reads a number in ounces,converts it to grams, and displays the result. One ounce is 28.3495 grams. Here is a sample run: Enter a value for ounces: 15.4 15.4 ounces is 463.5823 4. Calculate the energy using the famous equation for special relativity