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amid [387]
2 years ago
8

Explain how to make these couculations mentally a. 99x6 b. 99x15

Mathematics
2 answers:
Sergeeva-Olga [200]2 years ago
6 0

Answer:

a is 594 and b is 1485

Step-by-step explanation:

puteri [66]2 years ago
5 0

Answer:

a. 594 b. 1485

Step-by-step explanation:

do it step by step.

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atroni [7]
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3 years ago
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4 0
3 years ago
2. Which of the following numbers are prime? a) 53 b) 12 c) 18 d) 28​
vovikov84 [41]

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Step-by-step explanation:

7 0
2 years ago
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