The sun produces 3.8x10^27 joules of energy per second. How much energy is produced in a year? (Note: a year is approximately 31,000,000 seconds.) Put it in scientific form.

Suppose you have developed a scale that indicates the brightness of sunlight. Each category in the tablet is 5 time brighter than the category above it. For example, a day that is dazzling is 5 times brighter than a day that is radiant.

The circumference of kayla's bicycle wheel is 19 inches what is the approximate diameter of her bicycle wheel use 3.14 for x

Kim paid 3/7 of a bill, Sherri paid 35% of the bill, and Judy paid the rest. Which of the following statements is true? A. Kim paid the most. B. Sherri paid the most. C. Judy paid the most. D. They all paid the same amount.

A sail in the form of a right triangle the angle at its lower edge is 55 what is the size of the angle formed at the top of the sail? Choise 15 or 25 or 30 or 35 or insufficient information

What 20 subtract 3.05 plus negative 9.5

A hybrid car averages 610 miles on a 12.1 gallon tank of gas. Manuel is planning a 1270 dash mile vacation in his hybrid car. Find how many gallons of gas he can expect to burn.

What is 5 divided by 29.05

4500 people ride the city bus every day on average about how many people ride the bus each hour

12.33 to the nearest tenth

How are chords and secants alike? How are they different?