Answer:
20
Step-by-step explanation:
Riyas score = ( correct answer × mark) + ( incorrect answer × mark lost )
= ( 3× 10) + ( -1 ×10 )
= 30 -10
=20
The difference (or error) is 240 - 200 = 40
So what percent of 240 is 40?
x% of 240 is 40
x% × 240 = 40
240x = 40
x = 40/240
x = .1666
multiply by 100 to convert to a percentage.
.1666 × 100 = 16.66%
Rounded to the nearest 10th
= 16.7%
A. Think of it ur walking up the stairs the line flows upward
2√50 × 3√32 × 4√18
=2(5√2) × 3(4√2)× 4(3√2)
=2(5)(2)(3)(4)(4)(3√2)
=2880√2