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umka2103 [35]
3 years ago
6

Can any one do B and B please help me I need help me please thank you

Mathematics
1 answer:
MissTica3 years ago
3 0

Answer:

see below

Step-by-step explanation:

1 B    Answer :

7\times7\times7\times7\times7/7\times7\times7\times7=7    or    7^{2+3}/7^{4} =7^{5-4} =7^{1} =7

2 B    Answer :

k^{4\times2} \times k^{5} =k^{8+5} =k^{13}

3B    Answer :

5a-15-a/1=5a-a-15=4a-15

Hope that help

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