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Decimals (abbreviated to "dec") are the decimal placements to the right of the vertical line on a number line. The decimal places on a number line are the places to the right of the decimal point.

Write in decimal form.Two hundred fifty-three ten-thousandths

Write in decimal form.$$0.23$$

For the decimal 8.57932:What is the place value of $7 ?$

Multiply.$$\begin{array}{r}0.354 \\\times \quad 0.8 \\\hline\end{array}$$

Multiply:$$\begin{array}{r}2.3 \\\times \quad 3.4 \\\hline\end{array}$$

Subtract $2,87$ from 6.84

Solve each application.Tom’s state income tax is found by multiplying his income by 0.054. If Tom’s income is $23,450, find the amount of his tax.

Solve each application.BUSINESS AND FINANCE: Kurt bought four shirts on sale as pictured. What was the total cost of the purchase?

Compute the given expression. Round off your answer to two decimal places where necessary.$$12.4-20(0.8)+4.7$$

Divide by moving the decimal point.$$5.8 \div 10$$

Divide.$$\frac{13.89}{6}$$

Divide.$$16.68 \div 6$$

Find the decimal equivalent for each fraction. Use the bar notation.$$\frac{1}{11}$$

Write each number as a common fraction or mixed number, in simplest terms.$$0.65$$

Write each number as a common fraction or mixed number, in simplest terms.$$0.9$$

Find the square roots of each complex number. Round all numbers to three decimal places.$$i$$

Use a calculator to give decimal approximations rounded to one, two, and three places.$$\sqrt{23}$$

Use a calculator to find the following square roots. Round off your answers to the nearest hundredth.$$\sqrt{2.09}$$

Solve the exponential equation. Round to three decimal places, when needed.$$4 e^{x}=-x+3$$

Solve the exponential equation. Round to three decimal places, when needed.$$1000 e^{0.04 x}=2000$$

Solve the exponential equation. Round to three decimal places, when needed.$$6\left(0.9^{x}\right)=7$$