Math, asked by kala8858168, 3 months ago

1) Find the product using distributive law 142 X 97.

2) Simplify: 724.6 - 215.42 + 12.17

3)Find the number of right angles turn through by the hour hand of the clock when it goes from: 9 to 6.​

Answers

Answered by IshaTote
1

Step-by-step explanation:

1)

142 \times 97 = (140 + 2) \times (100 - 3) = 140(100 - 3) + 2(100 - 3) = 14000 - 42 + 200 - 6 = 14152

2) 521.35

3) 1

as hour hand covers 1 forth rotation of clock during 6 to 9, and total rotation is of 360 degree

therefore

 \frac{360}{4} dgree

 = 90dgree

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