Exponents:

Chapter exponents cover the addition, subtraction, multiplication & division of numbers with exponents.

APPLY one  of the arithmetic operations of addition, subtraction, multiplication & division using exponential numbers.

Calculator Usage, Special Keys

Exponent key

Raising a number to an exponent needs the y^x  key to be pressed double.  First, the base number is entered and the y^x  key is pressed; this enters the base number (y).  Further, the exponent number is pressed and the y^x  key is pressed; this enters the exponent and tells the calculator to complete the calculation.  The calculator will display the value.

x squared key

Pressing this key squares the displayed number.   This key will save time over using the y^x  key.