25,000 in scientific notation

2.5x10⁴

Step-by-step explanation:

move to the left

2.5 x 10^4

Step-by-step explanation:

you need to move the decimal 4 places to the left, and then put and exponent of 4 beside the 10.

Hopes this helps

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-4

step-by-step explanation:

(-4+8)=-(4-8)=-8+4=-4

option a, c,d are correct.

step-by-step explanation:

from the given figure, it is given that z is equidistant from the sides of the triangle rst, then from triangle tzb and triangle szb, we have

tz=sz(given)

bz=zb(common)

therefore, by rhs rule,δtzb ≅δszb

by cpctc, sz≅tz

also, from δctz and δasz,

tz=sz(given)

∠tcz=∠saz(90°)

by rhs rule, δctz ≅ δasz, therefore by cpctc, ∠ctz≅∠asz

also,from δasz and δzsb,

zs=sz(common)

∠zbs=∠saz=90°

by rhs rule, δasz ≅δzsb, therefore, by cpctc, ∠asz≅∠zsb

hence, option a, c,d are correct.