my daughter is revising her GCSE, i wanted to check her work, if you could give me the answers would be great?
1/3 x 9 divided by 1/8 x (2)to the power 2
3 to the power of 5, divided by 3 to the power minus 4, leaving your answer in the form 3 to the power p
work out the value of 64 to the power minus 5/6 leaving answer ad a fraction
work out 3.2 x 10 to the power 5, – 2.89 x 10 to the power 4
find the value of 8 to the power 2/3
express 128 to the power minus 3/7 as a fraction
express the square root of 3 to the power of 8 divided by 3 to the power minus 4 , in the form 3 to the power p
calculate the value of 64 to the power minus 1/2 giving your answer as a fraction in its simplest form
write 32 in the form 4 to the power b
find the value of 1/4x 16 divided by 1/27 x (3) to the power 2
work out 2pie divided by 7, minus pie divided by 5
A jug has a capacity of 2 2/5 litres
1 litre = 1 3/4 pints
work out the capacity in pints, give your answer as a mixed number
big THANKYOU to anyone who can help!
1)
1/3*9=3
3/1/8=24
24*2=48
48^2=2304
2)
3^5=3^5
3^5/3=3^4
3^4^-4=3^-16
p=-16
3)
8^2/3=4
4)
128^-3/7=1/8
5)
√3^8=3^8/2=3^4
3^4/3=3^3
3^3^-4=3^-12
6)
64^-1/2=1/8
7)
4^2.5=32
b=2.5
1/4*16=4
4/1/27=108
108*3=324
324^2=104976
9) 2π/7-π/5
10π/35-7π/35=3π/35
3π/35/5=3π/7
10)
1 3/4=7/4
2 2/5=12/5
7/4*12/5=21/5
21/5=4 1/5
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