Maria claims that ( 4.2 × 10 6 ) ÷ ( 2 × 10 3 ) is equal to ( 2.1 × 10 2 ) . Which statement about Maria's claim is accurate?

Marla bought a book for $12.95, a binder for $3.49, and a backpack for $44.99. the sales tax rate is 6%. find the amount of tax and the total she paid for these items

Julian wrote the following numeric pattern on the board3,10,17,24,31,38.what numbers of julian's pattern are compound numbers.

Gabrielle's age is two times mikhail's age. the sum of their ages is 84. what is mikhail's age?