sederhanakanlah
1. 2⁷×2⁵=
2. 6⁸×6⁷=
3. 7⁵×7-³=
4. a-⁹.a⁷=
5. b²⁰.b-²=
6. y⁷.y-⁶.y²=![]()
1. 2⁷×2⁵=
2. 6⁸×6⁷=
3. 7⁵×7-³=
4. a-⁹.a⁷=
5. b²⁰.b-²=
6. y⁷.y-⁶.y²=
NOMOR 1.
[tex] {2}^{7} \times {2}^{5} = {2}^{7 + 5} = {2}^{12} [/tex]
NOMOR 2.
[tex] {6}^{8} \times {6}^{7} = {6}^{8 + 7} = {6}^{15} [/tex]
NOMOR 3.
[tex] {7}^{5} \times {7}^{ - 3} = {7}^{5 + ( - 3)} = {7}^{2} [/tex]
NOMOR 4.
[tex] {a}^{ - 9} \times {a}^{7} = {a}^{( - 9) + 7} = {a}^{ - 2} = \frac{1}{ {a}^{2} } [/tex]
NOMOR 5.
[tex] {b}^{20} \times {b}^{ - 2} = {b}^{20 + ( - 2)} = {b}^{18} [/tex]
NOMOR 6.
[tex] {y}^{7} \times {y}^{ - 6} \times {y}^{2} = {y}^{7 + ( - 6) + 2} = {y}^{3} [/tex]
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