What is 0.042 in scientific notation

Austin planted sunflowers in the community garden. During his last visit to the garden, the plants were 80 inches tall. Today, Austin found them to be 10% taller. How tall are the sunflowers now?

4. A driver set a goal to earn $2,000 in March. He receives a base salary of $1,000 per month as well as a 20% commission for all sales in that month. What does his total sales have to be this month to reach his goal?

a restaurant is offering 2 specials : 10 burritos for $12 or 6 burritos for $7.50. Noah needs 60 burritos for his party. should he buy 6 orders of the 10 - burrito special or 10 orders of the 6 - burrito special

If the graph of the function h defined by h (x) = 3x^2-8 is translated vertically upward by 9 units, it becomes the graph of a function f. Find the expression for f (x).

Karla's doctor recommended her daily caffeine intake stay under 400 milligrams. Today, Karla has already had 265 milligrams of caffeine. Her favorite soda contains 45 milligrams.

Solve the following quadratic x^2-121=f (x)

Determine the probability P (3) for a binomial experiment with n = 12 trials and the success probability p=0.2. Then find the mean, variance, and standard deviation. Part 1 of 3 Determine the probability P (3).

The postal service charges $2 to ship packages up to 5 ounces in weight, and $0.20 for each additional ounce up to 20 ounces. After that, they charge $0.15 for each additional ounce.

The equation of a circle in general form is x2+y2+18x-36y+369=0 What is the equation of the circle in standard form?

What is the answer to this 8 (*/4 - 6) >4