Basic Math Examples

$\frac{{(6.8 \cdot 10^{- 3})}^{3} {(2.76 \cdot 10^{- 4} - 2.3 \cdot 10^{- 4})}^{2}}{{(5 + 6.28 - 3.72 + 1.45)}^{3}}$

Step 1

Factor $10^{- 4}$ out of $2.76 \cdot 10^{- 4} - 2.3 \cdot 10^{- 4}$ .

$\frac{{(6.8 \cdot 10^{- 3})}^{3} {((2.76 - 2.3) \cdot 10^{- 4})}^{2}}{{(5 + 6.28 - 3.72 + 1.45)}^{3}}$

Step 2

Subtract $2.3$ from $2.76$ .

$\frac{{(6.8 \cdot 10^{- 3})}^{3} {(0.46 \cdot 10^{- 4})}^{2}}{{(5 + 6.28 - 3.72 + 1.45)}^{3}}$

Step 3

Move the decimal point in $0.46$ to the right by $1$ place and decrease the power of $10^{- 4}$ by $1$ .

$\frac{{(6.8 \cdot 10^{- 3})}^{3} {(4.6 \cdot 10^{- 5})}^{2}}{{(5 + 6.28 - 3.72 + 1.45)}^{3}}$

Step 4

Simplify the numerator.

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Step 4.1

Apply the product rule to $6.8 \cdot 10^{- 3}$ .

$\frac{{6.8}^{3} \cdot {(10^{- 3})}^{3} {(4.6 \cdot 10^{- 5})}^{2}}{{(5 + 6.28 - 3.72 + 1.45)}^{3}}$

Step 4.2

Apply the product rule to $4.6 \cdot 10^{- 5}$ .

$\frac{{6.8}^{3} \cdot {(10^{- 3})}^{3} \cdot {4.6}^{2} \cdot {(10^{- 5})}^{2}}{{(5 + 6.28 - 3.72 + 1.45)}^{3}}$

Step 4.3

Raise $6.8$ to the power of $3$ .

$\frac{314.432 \cdot {(10^{- 3})}^{3} \cdot {4.6}^{2} \cdot {(10^{- 5})}^{2}}{{(5 + 6.28 - 3.72 + 1.45)}^{3}}$

Step 4.4

Multiply the exponents in ${(10^{- 3})}^{3}$ .

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Step 4.4.1

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$\frac{314.432 \cdot 10^{- 3 \cdot 3} \cdot {4.6}^{2} \cdot {(10^{- 5})}^{2}}{{(5 + 6.28 - 3.72 + 1.45)}^{3}}$

Step 4.4.2

Multiply $- 3$ by $3$ .

$\frac{314.432 \cdot 10^{- 9} \cdot {4.6}^{2} \cdot {(10^{- 5})}^{2}}{{(5 + 6.28 - 3.72 + 1.45)}^{3}}$

Step 4.5

Rewrite the expression using the negative exponent rule $b^{- n} = \frac{1}{b^{n}}$ .

$\frac{314.432 \cdot \frac{1}{10^{9}} \cdot {4.6}^{2} \cdot {(10^{- 5})}^{2}}{{(5 + 6.28 - 3.72 + 1.45)}^{3}}$

Step 4.6

Raise $10$ to the power of $9$ .

$\frac{314.432 \cdot \frac{1}{1000000000} \cdot {4.6}^{2} \cdot {(10^{- 5})}^{2}}{{(5 + 6.28 - 3.72 + 1.45)}^{3}}$

Step 4.7

Raise $4.6$ to the power of $2$ .

$\frac{314.432 \cdot \frac{1}{1000000000} \cdot 21.16 \cdot {(10^{- 5})}^{2}}{{(5 + 6.28 - 3.72 + 1.45)}^{3}}$

Step 4.8

Multiply the exponents in ${(10^{- 5})}^{2}$ .

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Step 4.8.1

Apply the power rule and multiply exponents, ${(a^{m})}^{n} = a^{m n}$ .

$\frac{314.432 \cdot \frac{1}{1000000000} \cdot 21.16 \cdot 10^{- 5 \cdot 2}}{{(5 + 6.28 - 3.72 + 1.45)}^{3}}$

Step 4.8.2

Multiply $- 5$ by $2$ .

$\frac{314.432 \cdot \frac{1}{1000000000} \cdot 21.16 \cdot 10^{- 10}}{{(5 + 6.28 - 3.72 + 1.45)}^{3}}$

Step 4.9

Rewrite the expression using the negative exponent rule $b^{- n} = \frac{1}{b^{n}}$ .

$\frac{314.432 \cdot \frac{1}{1000000000} \cdot 21.16 \cdot \frac{1}{10^{10}}}{{(5 + 6.28 - 3.72 + 1.45)}^{3}}$

Step 4.10

Raise $10$ to the power of $10$ .

$\frac{314.432 \cdot \frac{1}{1000000000} \cdot 21.16 \cdot \frac{1}{10000000000}}{{(5 + 6.28 - 3.72 + 1.45)}^{3}}$

Step 4.11

Combine exponents.

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Step 4.11.1

Combine $314.432$ and $\frac{1}{1000000000}$ .

$\frac{\frac{314.432}{1000000000} \cdot 21.16 \cdot \frac{1}{10000000000}}{{(5 + 6.28 - 3.72 + 1.45)}^{3}}$

Step 4.11.2

Combine $\frac{314.432}{1000000000}$ and $21.16$ .

$\frac{\frac{314.432 \cdot 21.16}{1000000000} \cdot \frac{1}{10000000000}}{{(5 + 6.28 - 3.72 + 1.45)}^{3}}$

Step 4.11.3

Multiply $314.432$ by $21.16$ .

$\frac{\frac{6653.38112}{1000000000} \cdot \frac{1}{10000000000}}{{(5 + 6.28 - 3.72 + 1.45)}^{3}}$

Step 4.11.4

Multiply $\frac{6653.38112}{1000000000}$ by $\frac{1}{10000000000}$ .

$\frac{\frac{6653.38112}{1000000000 \cdot 10000000000}}{{(5 + 6.28 - 3.72 + 1.45)}^{3}}$

Step 4.11.5

Multiply $1000000000$ by $10000000000$ .

$\frac{\frac{6653.38112}{10000000000000000000}}{{(5 + 6.28 - 3.72 + 1.45)}^{3}}$

Step 4.12

Divide $6653.38112$ by $10000000000000000000$ .

$\frac{0}{{(5 + 6.28 - 3.72 + 1.45)}^{3}}$

Step 5

Simplify the denominator.

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Step 5.1

Add $5$ and $6.28$ .

$\frac{0}{{(11.28 - 3.72 + 1.45)}^{3}}$

Step 5.2

Subtract $3.72$ from $11.28$ .

$\frac{0}{{(7.56 + 1.45)}^{3}}$

Step 5.3

Add $7.56$ and $1.45$ .

$\frac{0}{{9.01}^{3}}$

Step 5.4

Raise $9.01$ to the power of $3$ .

$\frac{0}{731.432701}$

Step 6

Divide $0$ by $731.432701$ .

$0$