It is: 1.5*10^8 = 150,000,000
I multiplied 1.5 by ten, and got 15. I multiplied 15 and 2 and got 30. I then divided it by ten, and got 3
To write 15 billion in standard form, you express it as a number multiplied by a power of ten. Since 15 billion is 15 followed by 9 zeros, it can be written as ( 1.5 \times 10^{10} ).
6 sevenths multiplied by 5 eights equals 15 over twenty-eight, or 15/28
It will be the cube root of 15 which is 2.4662120741
(245) x (215) = 260
10 to the 15th power i think =]
six by (ten to the power two)
10-15
600 multiplied by 15 is 9,000.
80 multiplied by 15 is 1200.
6 multiplied by 15 is 90.
1015 is 1 quadrillion (on the short scale).