Question

Q 4. Evaluate 48 x a^-3 for a=2

Q 9. Convert 850,000,000 from standard form to scientific notation.

Q 17. Three families paid a total of $88.00 to see a movie. Each adult ticket cost $8.00. If there were 5 adults and 8 children, how much did each child's ticket cost?

Q 20. Solve the inequality - 2s + 8 < 16

Q 31. Sharon bought several containers of milk at the grocery store for $3.50 per gallon container. In this situation, what would the number of milk containers be considered?

Answer 1

for the first question

just substitute the value of a into the equation that u have

48(2)^-3 and then just solve

Answer 2

Q9>

here is some help in understanding scientific notation so apply that to ur question and just change the number:

To write a number in scientific notation:

Put the decimal after the first digit and drop the zeroes.



In the number 123,000,000,000 The coefficient will be 1.23

To find the exponent count the number of places from the decimal to the end of the number.

In 123,000,000,000 there are 11 places. Therefore we write 123,000,000,000 as:

1.23 x 10^11