1.3 * 101
(13)10 = (1101)2
The binary number 1101 equals 13
22 x 13 = 52
13/25 decimal notation
The nuclide notation for an atom with 13 protons and 5 neutrons is (^{18}_{13}Al), where the superscript is the sum of protons and neutrons (18) and the subscript is the atomic number (13) for the element aluminum (Al).
The notation "9e 13" on a calculator represents the number ( 9 \times 10^{13} ), which is a way of expressing numbers in scientific notation. In this case, it indicates the number 9 followed by 13 zeros, or 90,000,000,000,000. The "e" stands for exponent, denoting the power of ten by which the base number (9) is multiplied. This format is commonly used for handling very large or very small numbers efficiently.
13 over 9 in decimal notation = 1.4444...13/9:= 13 ÷ 9= 1.4444... in decimal
18094123515000 in scientific notation is 1.8094123515 x 10^13
It is 9.8763*10^13 in scientific notation
Fractional notation for 6.5 is 13/2
The approximate number of cells in the human body is 3.72 x 10^13.
It is 13^3.