Question

Slove the exponential expression.
a) (4-' +8-') ÷(4/9)-'
above question in words:(4 raised to the power -1 +8 raised to the power -1)÷ 4/9 raised to the power -1​

Answer 1

Answer:

Solution

( 4-¹ + 8-¹ ) ÷ (4/9)-¹

• ( 1/4 + 1/8 ) ÷ (9/4)¹
• [ 1(2)/4(2) + 1/8 ] ÷ 9/4
• ( 2/8 + 1/8 ) ÷ 9/4
• 3/8 ÷ 9/4
• 3/8 x 4/9
• 12/72
• 1/6

Answer of the question is 1/6