Question

ajuda eu ai namoralzinha ​

Answer 1

a)

${7}^{9} \times {7}^{ - 6} = {7}^{9 + ( - 6)} = {7}^{3}$

b)

${10}^{ - 9} \times 10 \times {10}^{5} = {10}^{ - 9 + 1 + 5} = {10}^{ - 3}$

c)

${2}^{7} \div {2}^{ - 2} = {2}^{7 - ( - 2)} = {2}^{9}$

d)

$\frac{ {10}^{ - 3} }{ {10}^{ - 5} } = {10}^{ - 3 - ( - 5)} = {10}^{2}$

e)

${ ({6}^{ - 1} )}^{4} = {6}^{ - 1 \times 4} = {6}^{ - 4}$

f)

${8}^{5x} \div {8}^{ - 3x} = {8}^{5x - ( - 3x)} = {8}^{8x}$

g)

${10}^{3x} \div {10}^{ - 2x} = {10}^{3x - ( - 2x)} = {10}^{5x}$