Pennsylvania has a sales tax of 6%. the city of philadelphia adds an extra local sales tax of 2%. both taxes apply to the original price of an item. if the shelf price of a bottle of sports drink is $2 in philadelphia, pa, which expressions can be used to show the total taxes you would expect to pay? $2(0.06 + 0.02) ($2)(0.06)($2 )(0.02) $2 + 0.06 + 0.02 ($2)(0.06) + ($2)(0.02)

Julie buys 2kg of apples and 7kg of pears ? 12.70. the pears cost ? 1.30 per kilogram what is the price per kilogram of the apples? show your working out

21 a stick 7 inches long is broken into two pieces, so that one piece is twice as long as the other one. how long are the two pieces?

On the way home from visiting his family, vincent’s plane cruised at an altitude of 3.2 × 10^4 feet. he had heard that a man named felix baumgartner skydived from an altitude of 1.28 × 10^5 feet. vincent wants to know how much higher felix went on his skydiving trip. question 1 you have already seen how adding numbers works in either scientific notation or standard notation. but can you subtract numbers in scientific notation and get the same results as subtracting in standard notation? to find out, first solve vincent’s problem in standard notation. part a write the cruising altitude of vincent’s plane in standard notation.