Electrical currents, highways, radio broadcasting, buildings, high and low tides, space flights, music, etc.
I think what you mean is scientific notation right?
The answer is two.
No problem, just let me know if you need help with anything else!
I think it is a great idea!
19 + 1 * x = 30
x = 11
I got 2 to the 15 power but why?
http://web2.0calc.com/questions/in-how-many-ways-can-you-spell-the-word-cool-in-the-grid-below-you-can-start-on-any-letter-then-on-each-step-you-can-step-one-letter-in-an
0.999999999999.... is equal to 1
An integer is a whole number; a number that is not a fraction.
Adding is group two things together and subtracting is taking something away from something else.
2 + 4 = 6
9 + 10 = 21, I mean 19
21 - 10 = 11
x - x = 0
Hope this helps! Good luck on the test!