Problem 12
Use the definition of exponents as indicating repeated multiplication to simplify each of the following expressions. [Examples \(4-12\) ] $$7^{2}$$
Problem 12
Add each of the following. (There is no carrying involved in these problems. $$\begin{array}{r} 56 \\ 23 \\ \hline \end{array}$$
Problem 13
Give the place value of the 5 in each of the following numbers. 458,992
Problem 13
Round each of the numbers to the nearest ten. $$56,782$$
Problem 13
Use the definition of exponents as indicating repeated multiplication to simplify each of the following expressions. [Examples \(4-12\) ] $$2^{3}$$
Problem 14
Give the place value of the 5 in each of the following numbers. $$75,003,782$$
Problem 14
Round each of the numbers to the nearest ten. $$32,807$$
Problem 15
Find each of the following products. (Multiply.) In case use the shortcut method. $$\begin{array}{r}38 \\\\\times 6 \\\\\hline\end{array}$$
Problem 16
Find each of the following products. (Multiply.) In case use the shortcut method. $$\begin{array}{r}45 \\\\\times \quad 7 \\\\\hline\end{array}$$
Problem 16
Round each of the numbers to the nearest ten. $$3,897$$