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0.7083333=r^4 the answer is 0.92 please help me in finding working for this

0.7083333=r^4   Take the 4th root of both sides.

r = (0.7083333)^1/4

r = 0.91740....

r = ~0.92

${r}^{4}=0.7083333$

$\sqrt[4]{{r}^{4}}=\sqrt[4]{0.7083333}$

$r=\sqrt[4]{0.7083333}$

$r=0.9174014343389823...$

$r≈0.92$