Tolong bantuan beserta caranya ?

Tolong bantuan beserta caranya ?

Jawaban:

4 + 2 – 7 = -1

Penjelasan dengan langkah-langkah:

${16}^{ frac{1}{2} } = ( {2}^{4} )^{ frac{1}{2} } = {2}^{2} = 4$

${8}^{ frac{1}{3} } = {( {2}^{3}) }^{ frac{1}{3} } = {2}^{1} = 2$

${49}^{ frac{1}{2} } = { ({7}^{2}) }^{ frac{1}{2} } = {7}^{1} = 7$

Semoga membantu