[tex] \sf\frac{7}{8} \times \frac{5}{7} = \frac{7 \times 5}{8 \times 7}= \frac{ \cancel7 \times 5}{8 \times \cancel7} = \frac{5}{8} [/tex]
[tex] \sf{120}^{2} \times \sqrt{400} \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = (120 \times 120) \times \sqrt{400} \\ \: \: \: \: \: \: \: \: \: \: = 14.400 \times \sqrt{400} \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 14.400 \times \sqrt{20 \times 20} \\ \: \: \: \: \: \: \: = 14.400 \times 20 \\ = 288.000[/tex]
[tex] \frac{ \not7}{8} \times \frac{5}{ \not7} \\ \\ = \frac{1}{8} \times \frac{5}{1} \\ \\ = \frac{5}{8} [/tex]
[tex] \\ [/tex]
120² × √400
= (120 × 120) × √(4 × 100)
= (12 × 12 × 10 × 10) × √(2² × 10²)
= (144 × 100) × (2 × 10)
= 14.400 × 20
= 288.000
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[tex] \sf\frac{7}{8} \times \frac{5}{7} = \frac{7 \times 5}{8 \times 7}= \frac{ \cancel7 \times 5}{8 \times \cancel7} = \frac{5}{8} [/tex]
[tex] \sf{120}^{2} \times \sqrt{400} \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = (120 \times 120) \times \sqrt{400} \\ \: \: \: \: \: \: \: \: \: \: = 14.400 \times \sqrt{400} \\ \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: \: = 14.400 \times \sqrt{20 \times 20} \\ \: \: \: \: \: \: \: = 14.400 \times 20 \\ = 288.000[/tex]
Nomor 1
[tex] \frac{ \not7}{8} \times \frac{5}{ \not7} \\ \\ = \frac{1}{8} \times \frac{5}{1} \\ \\ = \frac{5}{8} [/tex]
[tex] \\ [/tex]
Nomor 2
120² × √400
= (120 × 120) × √(4 × 100)
= (12 × 12 × 10 × 10) × √(2² × 10²)
= (144 × 100) × (2 × 10)
= 14.400 × 20
= 288.000
[tex] \\ [/tex]
#LearnWithPanda