156x107 is 1.56x109
7 to the power of 5 is written as 75
7 to the second power
7 to the power of 3 is: 7 x 7 x 7 = 343 Another way to write it is: 7^3 = 343
7x7x7x7x7x7x7x7.
156x107 is 1.56x109
7 to the power of 5 is written as 75
7 to the second power
You would write 7x7x7x7x7x7 as 7^6 (the ^ means to the power of, 7^6 is the same as 76. You would do this because there are 6 sevens there, and 7^6 means 7 times t times 7 times 7 times 7 times 7.
7 to the power of 3 is: 7 x 7 x 7 = 343 Another way to write it is: 7^3 = 343
-16807
7x7x7x7x7x7x7x7.
10-7 = 0.0000001
7*106 = 7,000,000
7x10^7
7 x 7 x 7 x 7 x 7 x 7
To write 7x7x7x7x7x7 as a power of seven. (answer is 117649) or you could write 7 with a little 6 on top on the right hand side. This indicates that it is to the power of 6 (the number up the top, in this case 6, is called an index and the normal number is called the base.