How do u write

(4×10 3rd pwr)(1.6×10 -6 pwr)

Translate the following situation into an inequality statement . lily has $25 to spend on a charm bracelet for her sisters birthday gift the cost of the bracelet is $12 plus $1.50 per charm

For a field trip to the zoo, 4 students rode in cars and the rest filled nine busess. how many students were in each bus if 472 students were on the trip

What is the axis of symmetry of the function f(x)=-(x+ 9)(x-21)