What is 0.00073 in scientific notation

Marco has $38.43 dollars in his checking account. his checking account is linked to his amazon music account so he can buy music. the songs he purchases cost $1.29. part 1: write an expression to describe the amount of money in his checking account in relationship to the number of songs he purchases. part 2: describe what the variable represents in this situation.

What is the absolute value of -100000000000000?

You eat $0.85 for every cup of hot chocolate you sell. how many cups do you need to sell to earn $55.25