2*5=10
Write the base as many times as the power indicates.2³ would be 2 · 2 · 2.5² would be 5 · 5.
2*5^2 ^2 here means the same as a 2 in superscript, or "squared".
Two (2). 3^5 5^3
2 x 5 x 5 is the prime factorization of 50.
(2 x 5)2
Write down 40 and 1. Divide by two. Write down 20 and 2. Divide by two. Write down 10 and 4. Divide by two. Write down 5 and 8. Stop. (40,1)(20,2)(10,4)(8,5)
2 with remainder 2.
2 times 3 times 5
2 times 5 times 7 times x times y
It is: 2 times 3^2 times 5 = 90 no indices are needed for 2 and 5
625 equals 5*5*5*5 (5 times 5 times 5 times 5), so: 625 = 252, 54, (52)2, 5252, and 535. * * * * * What about 3906250.5, or 1254/3, 0.2-4 ?
5 goes in to 2 0.4 times