21 billion as how much more than 9.8 billion write it in scientific notation

Two straight lines of wire are placed on the ground forming vertical angles if the measure of one of the angles formed a 72° what are the measures of the other three angles

F (x) = - 3x + 2. What is the value of f (-2) ?

The radius of the circle below intersects the unit circle at (3/5 • 4/5 What is the approximate value of e?

A palindrome is a number that reads the same forward and backward. For example, 2442 and 111 are palindromes. If 5-digit palindromes are formed using one or more of the digits 1, 2, and 3, how many such palindromes are possible?

What is the scientific notation of. 900240

Understand that rewriting an expression in different forms in a problem context can shed light on the problem and how the quantities in it are related. For example, a + 0.05a = 1.05a means that "increase by 5%" is the same as "multiply by 1.05."

Find the zeros of the function. Write the smaller solution first, and the larger solution second. h (x) = (-2x+3) (-x+3) smaller x= larger x=

i was watching mineHUB in lesson and the Bluetooth was not on and everyone heard what should i do i have been sent out of class

Fruit salad can be made with any $3$ of these $5$ fruits: apples, bananas, grapes, strawberries, and pineapples.

What is 20% of $20.00