Basic Math Examples

$1$ , $124 \cdot 10^{11}$

Step 1

Move the decimal point in $124$ to the left by $2$ places and increase the power of $10^{11}$ by $2$ .

$1, 1.24 \cdot 10^{13}$

Step 2

The mean of a set of numbers is the sum divided by the number of terms.

$\frac{1 + 1.24 \cdot 10^{13}}{2}$

Step 3

Convert $1$ to scientific notation.

$\frac{1 \cdot 10^{0} + 1.24 \cdot 10^{13}}{2}$

Step 4

Move the decimal point in $1$ to the left by $13$ places and increase the power of $10^{0}$ by $13$ .

$\frac{0 \cdot 10^{13} + 1.24 \cdot 10^{13}}{2}$

Step 5

Factor $10^{13}$ out of $0 \cdot 10^{13} + 1.24 \cdot 10^{13}$ .

$\frac{(0 + 1.24) \cdot 10^{13}}{2}$

Step 6

Add $0$ and $1.24$ .

$\frac{1.24 \cdot 10^{13}}{2}$

Step 7

Divide using scientific notation.

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Step 7.1

Group coefficients together and exponents together to divide numbers in scientific notation.

$(\frac{1.24}{2}) (\frac{10^{13}}{1})$

Step 7.2

Divide $1.24$ by $2$ .

$0.62 \frac{10^{13}}{1}$

Step 7.3

Divide $10^{13}$ by $1$ .

$0.62 \cdot 10^{13}$

Step 8

Move the decimal point in $0.62$ to the right by $1$ place and decrease the power of $10^{13}$ by $1$ .

$6.2 \cdot 10^{12}$

Step 9

Divide.

$6200000000000.5$