public static BigDecimal pow(Number number, int n) {
		return pow(toBigDecimal(number), n);
	}
@Test
	public void testPowZero() {
		BigDecimal number = new BigDecimal("2.5");
		int exponent = 0;
		BigDecimal expected = new BigDecimal("1");
		assertEquals(expected, NumberUtil.pow(number, exponent));
	}