Answer:
0.358
Step-by-step explanation:
cos A=28/53 = 58.11
sin B=60/61 = 79.61
sin(79.11 - 58.11) = sin 21 = 0.358
First you must change 3/8 into a decimal, so the number would be 45.375. To find scientific notation you have to move the decimal between a factor of 1-10. 4.5375 . You moved over the decimal once toward the left. so scientific notation would be 4.5375 X 10^1
Answer:
The width of the rectangle is 3 cm
Step-by-step explanation:
She received $2
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8x2= 16
So if 8 yuan equals $1 then 16 divided by 8 would be $2, hope this helped.
answer: 3/10
Tip: flip the equation over so make the numerator the denominator and the denominator the numerator.