What is 11,900,000,000 written scientific notation ?

5(-9w) put expression in distributive property

When 142 is added to a number the result is 64 more then 3 times the number. option 35 37 39 41

Glenda makes an online purchase for picture frames for $12.95 each and formats of $5.89 each the site says it taxes paid by the customer or 6.5% of the total purchase price shipping charges are based on the