I Have Done This Problem With Different Numbers Multiple Times And Kept Getting

/in /by

I have done this problem with different numbers multiple times and kept getting it wrong. I am wondering if you can check my work and tell me if/where I went wrong?

1- 0.22662735238

= 0.77337264762

0.77337264762 – 0.1907

= 0.58267264762

z (0.58267264762)

= -0.21 ANSWER

 
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