O Olasupsky New member Joined Jan 12, 2020 Messages 2 Jan 12, 2020 #1 Can you solve this by showing steps? (1-4) ^-2 The answer on the text book is 16 but my instinct tells me it is 1/9

Can you solve this by showing steps? (1-4) ^-2 The answer on the text book is 16 but my instinct tells me it is 1/9

O Olasupsky New member Joined Jan 12, 2020 Messages 2 Jan 12, 2020 #2 Olasupsky said: Can you solve this by showing steps? (1-4) ^-2 The answer on the text book is 16 but my instinct tells me it is 1/9 Click to expand...

Olasupsky said: Can you solve this by showing steps? (1-4) ^-2 The answer on the text book is 16 but my instinct tells me it is 1/9 Click to expand...

H Harry_the_cat Senior Member Joined Mar 16, 2016 Messages 1,773 Jan 12, 2020 #3 (1-4)^-2 = 1/9 but (1/4)^-2 = 16. Have you read the question correctly? Sure the minus sign isn't a division sign?

(1-4)^-2 = 1/9 but (1/4)^-2 = 16. Have you read the question correctly? Sure the minus sign isn't a division sign?

S Subhotosh Khan Super Moderator Staff member Joined Jun 18, 2007 Messages 19,987 Jan 12, 2020 #4 Harry_the_cat said: (1-4)^-2 = 1/9 but (1/4)^-2 = 16. Have you read the question correctly? Sure the minus sign isn't a division sign? Click to expand... Like HTC said, make sure that you problem is stated correctly: \(\displaystyle (1\ \div \ 4)^{-2} = 16\) Otherwise, your "text book" answer is incorrect.

Harry_the_cat said: (1-4)^-2 = 1/9 but (1/4)^-2 = 16. Have you read the question correctly? Sure the minus sign isn't a division sign? Click to expand... Like HTC said, make sure that you problem is stated correctly: \(\displaystyle (1\ \div \ 4)^{-2} = 16\) Otherwise, your "text book" answer is incorrect.