Simplify and write the answer in exponential form:(3(2)× 7(8)× 1396)/(21(2)× 91(3)
Answers
Answered by
1
Answer:
hypotenuse ² = perpendicular ² + base ²
25²=20²+x²
625=400+x²
x²=625-400
x²=225
√225=15cm
so x= 15
Answered by
92
Step-by-step explanation:
nswer
21
2
×91
3
3
2
×7
8
×13
6
=
(3×7)
2
×(7×13)
3
3
2
×7
8
×13
6
=
3
2
×7
2
×7
3
×13
3
3
2
×7
8
×13
6
=3
2−2
×7
8−2−3
×13
6−3
=3
0
×7
3
×13
3
=1×7
3
×13
3
=(7×13)
3
=(91)
3
Similar questions